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        <title>News about NOV - GuruFocus.com</title>
        <description>GuruFocus tracks the stock picks of Warren Buffett, George Soros and other guru investors</description>
        <link>http://www.gurufocus.com</link>
        <lastBuildDate>Wed, 22 May 2013 21:30:23 -0600</lastBuildDate>
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        <item>
            <title>Ken Fisher: Reduce -31.48%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Ken+Fisher</link>
            <description></description>
            <pubDate>Thu, 16 May 2013 16:48:33 -0600</pubDate>
        </item>
        <item>
            <title>Jeremy Grantham: New holding, 43900 sh.</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Jeremy+Grantham</link>
            <description></description>
            <pubDate>Thu, 16 May 2013 16:37:06 -0600</pubDate>
        </item>
        <item>
            <title>Jeremy Grantham: New holding, 43900 sh.</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Jeremy+Grantham</link>
            <description></description>
            <pubDate>Thu, 16 May 2013 14:36:55 -0600</pubDate>
        </item>
        <item>
            <title>Jeremy Grantham: New holding, 43900 sh.</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Jeremy+Grantham</link>
            <description></description>
            <pubDate>Thu, 16 May 2013 14:34:35 -0600</pubDate>
        </item>
        <item>
            <title>Steven Cohen: Add 812.43%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Steven+Cohen</link>
            <description></description>
            <pubDate>Thu, 16 May 2013 11:49:25 -0600</pubDate>
        </item>
        <item>
            <title>Steven Cohen: Add 812.43%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Steven+Cohen</link>
            <description></description>
            <pubDate>Thu, 16 May 2013 11:29:47 -0600</pubDate>
        </item>
        <item>
            <title>David Rolfe: Add 49.67%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=David+Rolfe</link>
            <description></description>
            <pubDate>Thu, 16 May 2013 10:29:09 -0600</pubDate>
        </item>
        <item>
            <title>Paul Tudor Jones: Reduce -98.52%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Paul+Tudor+Jones</link>
            <description></description>
            <pubDate>Wed, 15 May 2013 20:25:31 -0600</pubDate>
        </item>
        <item>
            <title>Ron Baron: New holding, 1664 sh.</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Ron+Baron</link>
            <description></description>
            <pubDate>Wed, 15 May 2013 19:21:07 -0600</pubDate>
        </item>
        <item>
            <title>Warren Buffett Buys Wells Fargo, Chicago Bridge &amp; Iron Co. ...</title>
            <link>http://www.gurufocus.com/news/219097</link>
            <description></description>
            <pubDate>Wed, 15 May 2013 19:05:52 -0600</pubDate>
        </item>
        <item>
            <title>T Boone Pickens: Sold Out</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=T+Boone+Pickens</link>
            <description></description>
            <pubDate>Wed, 15 May 2013 18:00:38 -0600</pubDate>
        </item>
        <item>
            <title>Warren Buffett: Add 41.35%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Warren+Buffett</link>
            <description></description>
            <pubDate>Wed, 15 May 2013 16:45:09 -0600</pubDate>
        </item>
        <item>
            <title>Jim Simons: Reduce -39.53%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Jim+Simons</link>
            <description></description>
            <pubDate>Tue, 14 May 2013 16:57:52 -0600</pubDate>
        </item>
        <item>
            <title>Andreas Halvorsen: New holding, 2658043 sh.</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Andreas+Halvorsen</link>
            <description></description>
            <pubDate>Tue, 14 May 2013 16:28:53 -0600</pubDate>
        </item>
        <item>
            <title>Jim Simons: Reduce -39.53%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Jim+Simons</link>
            <description></description>
            <pubDate>Tue, 14 May 2013 16:10:28 -0600</pubDate>
        </item>
        <item>
            <title>John Rogers: Add 89.08%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=John+Rogers</link>
            <description></description>
            <pubDate>Tue, 14 May 2013 15:26:01 -0600</pubDate>
        </item>
        <item>
            <title>Jeremy Grantham: New holding, 43900 sh.</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Jeremy+Grantham</link>
            <description></description>
            <pubDate>Tue, 14 May 2013 12:38:17 -0600</pubDate>
        </item>
        <item>
            <title>Jeremy Grantham: New holding, 43900 sh.</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Jeremy+Grantham</link>
            <description></description>
            <pubDate>Tue, 14 May 2013 12:28:34 -0600</pubDate>
        </item>
        <item>
            <title>Robert Olstein: Add 10.84%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Robert+Olstein</link>
            <description></description>
            <pubDate>Tue, 14 May 2013 11:21:45 -0600</pubDate>
        </item>
        <item>
            <title>Frank Sands: Add 8.24%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Frank+Sands</link>
            <description></description>
            <pubDate>Tue, 14 May 2013 10:52:06 -0600</pubDate>
        </item>
        <item>
            <title>RS Investment Management: Sold Out</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=RS+Investment+Management</link>
            <description></description>
            <pubDate>Mon, 13 May 2013 12:54:51 -0600</pubDate>
        </item>
        <item>
            <title>RS Investment Management: Sold Out</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=RS+Investment+Management</link>
            <description></description>
            <pubDate>Mon, 13 May 2013 12:48:08 -0600</pubDate>
        </item>
        <item>
            <title>Pioneer Investments: Reduce -72.24%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Pioneer+Investments</link>
            <description></description>
            <pubDate>Fri, 10 May 2013 16:46:02 -0600</pubDate>
        </item>
        <item>
            <title>Value Idea Contest Results Announcement; Win $1000 if Your Pick Doubles in 12 Months</title>
            <link>http://www.gurufocus.com/news/217909</link>
            <description></description>
            <pubDate>Wed, 01 May 2013 15:16:42 -0600</pubDate>
        </item>
        <item>
            <title>Win the Quarterly Warren Buffett Contest</title>
            <link>http://www.gurufocus.com/news/217862</link>
            <description></description>
            <pubDate>Wed, 01 May 2013 12:21:50 -0600</pubDate>
        </item>
        <item>
            <title>NOV - A Good Time To Buy</title>
            <link>http://www.gurufocus.com/news/217564</link>
            <description></description>
            <pubDate>Sat, 27 Apr 2013 13:27:06 -0600</pubDate>
        </item>
        <item>
            <title>Buffett’s BYD Profit Up to 200% as First Quarter 2013 Profit Triples</title>
            <link>http://www.gurufocus.com/news/217442</link>
            <description></description>
            <pubDate>Thu, 25 Apr 2013 17:33:16 -0600</pubDate>
        </item>
        <item>
            <title>Quick Take: Acquiring Robbins &amp; Myers (NOV)</title>
            <link>http://www.gurufocus.com/news/217396</link>
            <description></description>
            <pubDate>Thu, 25 Apr 2013 10:18:36 -0600</pubDate>
        </item>
        <item>
            <title>Jean-Marie Eveillard: New holding, 1282119 sh.</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Jean-Marie+Eveillard</link>
            <description></description>
            <pubDate>Wed, 24 Apr 2013 15:36:10 -0600</pubDate>
        </item>
        <item>
            <title>Chuck Royce: New holding, 5000 sh.</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Chuck+Royce</link>
            <description></description>
            <pubDate>Thu, 18 Apr 2013 13:10:48 -0600</pubDate>
        </item>
        <item>
            <title>Ken Fisher: Reduce -31.48%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Ken+Fisher</link>
            <description></description>
            <pubDate>Tue, 09 Apr 2013 17:34:50 -0600</pubDate>
        </item>
        <item>
            <title>Ken Fisher: Reduce -31.48%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Ken+Fisher</link>
            <description></description>
            <pubDate>Tue, 09 Apr 2013 17:29:47 -0600</pubDate>
        </item>
        <item>
            <title>Warren Buffett's Berkshire Hathaway Keeps Buying NOV</title>
            <link>http://www.gurufocus.com/news/214682</link>
            <description></description>
            <pubDate>Thu, 28 Mar 2013 18:42:34 -0600</pubDate>
        </item>
        <item>
            <title>Global Malaise Not Affecting These Countries (Or Companies) </title>
            <link>http://www.gurufocus.com/news/211761</link>
            <description></description>
            <pubDate>Sun, 10 Mar 2013 23:43:04 -0600</pubDate>
        </item>
        <item>
            <title>Warren Buffett: Add 26.46%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Warren+Buffett</link>
            <description></description>
            <pubDate>Thu, 07 Mar 2013 14:16:18 -0600</pubDate>
        </item>
        <item>
            <title>Signature Select Canadian Fund: Add 27.82%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Signature+Select+Canadian+Fund</link>
            <description></description>
            <pubDate>Fri, 01 Mar 2013 17:16:19 -0600</pubDate>
        </item>
        <item>
            <title>Bruce Kovner: Sold Out</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Bruce+Kovner</link>
            <description></description>
            <pubDate>Mon, 18 Feb 2013 15:48:50 -0600</pubDate>
        </item>
        <item>
            <title>T Boone Pickens: Add 287.4%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=T+Boone+Pickens</link>
            <description></description>
            <pubDate>Thu, 14 Feb 2013 17:40:47 -0600</pubDate>
        </item>
        <item>
            <title>Paul Tudor Jones: Add 45.78%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Paul+Tudor+Jones</link>
            <description></description>
            <pubDate>Thu, 14 Feb 2013 17:38:43 -0600</pubDate>
        </item>
        <item>
            <title>John Rogers: New holding, 40670 sh.</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=John+Rogers</link>
            <description></description>
            <pubDate>Thu, 14 Feb 2013 16:59:54 -0600</pubDate>
        </item>
        <item>
            <title>Warren Buffett: Add 26.46%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Warren+Buffett</link>
            <description></description>
            <pubDate>Thu, 14 Feb 2013 16:44:37 -0600</pubDate>
        </item>
        <item>
            <title>RS Investment Management: Reduce -44.95%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=RS+Investment+Management</link>
            <description></description>
            <pubDate>Thu, 14 Feb 2013 16:39:35 -0600</pubDate>
        </item>
        <item>
            <title>Jim Simons: New holding, 2247110 sh.</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Jim+Simons</link>
            <description></description>
            <pubDate>Thu, 14 Feb 2013 16:35:57 -0600</pubDate>
        </item>
        <item>
            <title>John Burbank: Sold Out</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=John+Burbank</link>
            <description></description>
            <pubDate>Thu, 14 Feb 2013 15:34:32 -0600</pubDate>
        </item>
        <item>
            <title>David Rolfe: Add 41.77%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=David+Rolfe</link>
            <description></description>
            <pubDate>Wed, 13 Feb 2013 18:47:14 -0600</pubDate>
        </item>
        <item>
            <title>David Rolfe: Add 41.77%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=David+Rolfe</link>
            <description></description>
            <pubDate>Wed, 13 Feb 2013 18:20:20 -0600</pubDate>
        </item>
        <item>
            <title>Robert Olstein: Add 25.76%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Robert+Olstein</link>
            <description></description>
            <pubDate>Mon, 11 Feb 2013 16:39:59 -0600</pubDate>
        </item>
        <item>
            <title>Chuck Royce: Sold Out</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Chuck+Royce</link>
            <description></description>
            <pubDate>Thu, 07 Feb 2013 15:06:00 -0600</pubDate>
        </item>
        <item>
            <title>David Rolfe of Wedgewood Partners Comments on National Oilwell Varco</title>
            <link>http://www.gurufocus.com/news/206564</link>
            <description></description>
            <pubDate>Tue, 29 Jan 2013 16:26:21 -0600</pubDate>
        </item>
        <item>
            <title>Ken Fisher: Reduce -39.89%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Ken+Fisher</link>
            <description></description>
            <pubDate>Thu, 10 Jan 2013 14:01:44 -0600</pubDate>
        </item>
        <item>
            <title>Quarterly balance sheet data updated</title>
            <link>http://www.gurufocus.com/financials.php?symbol=NOV</link>
            <description></description>
            <pubDate>Sun, 16 Dec 2012 19:42:13 -0600</pubDate>
        </item>
        <item>
            <title>Quarterly cashflow data updated</title>
            <link>http://www.gurufocus.com/financials/NOV</link>
            <description></description>
            <pubDate>Sun, 16 Dec 2012 19:42:13 -0600</pubDate>
        </item>
        <item>
            <title>Quarterly income statement data updated</title>
            <link>http://www.gurufocus.com/financials/NOV</link>
            <description></description>
            <pubDate>Sun, 16 Dec 2012 19:42:13 -0600</pubDate>
        </item>
        <item>
            <title>3 Most Recommended Basic Material Dividend Stocks for 2013</title>
            <link>http://www.gurufocus.com/news/200898</link>
            <description></description>
            <pubDate>Mon, 10 Dec 2012 10:39:40 -0600</pubDate>
        </item>
        <item>
            <title>Quarterly balance sheet data updated</title>
            <link>http://www.gurufocus.com/financials.php?symbol=NOV</link>
            <description></description>
            <pubDate>Sun, 09 Dec 2012 19:46:15 -0600</pubDate>
        </item>
        <item>
            <title>Quarterly cashflow data updated</title>
            <link>http://www.gurufocus.com/financials/NOV</link>
            <description></description>
            <pubDate>Sun, 09 Dec 2012 19:46:15 -0600</pubDate>
        </item>
        <item>
            <title>Quarterly income statement data updated</title>
            <link>http://www.gurufocus.com/financials/NOV</link>
            <description></description>
            <pubDate>Sun, 09 Dec 2012 19:46:15 -0600</pubDate>
        </item>
        <item>
            <title>Quarterly balance sheet data updated</title>
            <link>http://www.gurufocus.com/financials.php?symbol=NOV</link>
            <description></description>
            <pubDate>Mon, 03 Dec 2012 16:34:53 -0600</pubDate>
        </item>
        <item>
            <title>Quarterly balance sheet data updated</title>
            <link>http://www.gurufocus.com/financials.php?symbol=NOV</link>
            <description></description>
            <pubDate>Mon, 26 Nov 2012 16:35:16 -0600</pubDate>
        </item>
        <item>
            <title>Track Record: Contest Submission Update</title>
            <link>http://www.gurufocus.com/news/198805</link>
            <description></description>
            <pubDate>Fri, 23 Nov 2012 20:32:55 -0600</pubDate>
        </item>
        <item>
            <title>Quarterly balance sheet data updated</title>
            <link>http://www.gurufocus.com/financials.php?symbol=NOV</link>
            <description></description>
            <pubDate>Mon, 19 Nov 2012 16:36:56 -0600</pubDate>
        </item>
        <item>
            <title>Quarterly cashflow data updated</title>
            <link>http://www.gurufocus.com/financials/NOV</link>
            <description></description>
            <pubDate>Mon, 19 Nov 2012 16:36:56 -0600</pubDate>
        </item>
        <item>
            <title>Bruce Kovner: Reduce -70.21%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Bruce+Kovner</link>
            <description></description>
            <pubDate>Thu, 15 Nov 2012 15:47:18 -0600</pubDate>
        </item>
        <item>
            <title>Energy Tycoon, T. Boone Pickens’ Q3 Updates: Three New Buys Are Halliburton, Consol Energy ...</title>
            <link>http://www.gurufocus.com/news/197686</link>
            <description></description>
            <pubDate>Thu, 15 Nov 2012 14:31:12 -0600</pubDate>
        </item>
        <item>
            <title>Steven Cohen: Reduce -91.07%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Steven+Cohen</link>
            <description></description>
            <pubDate>Thu, 15 Nov 2012 12:43:21 -0600</pubDate>
        </item>
        <item>
            <title>T Boone Pickens: Reduce -76.11%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=T+Boone+Pickens</link>
            <description></description>
            <pubDate>Wed, 14 Nov 2012 17:48:12 -0600</pubDate>
        </item>
        <item>
            <title>Warren Buffett: Add 47.36%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Warren+Buffett</link>
            <description></description>
            <pubDate>Wed, 14 Nov 2012 17:24:28 -0600</pubDate>
        </item>
        <item>
            <title>John Burbank: New holding, 154400 sh.</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=John+Burbank</link>
            <description></description>
            <pubDate>Wed, 14 Nov 2012 16:21:08 -0600</pubDate>
        </item>
        <item>
            <title>Chuck Royce: New holding, 2950 sh.</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Chuck+Royce</link>
            <description></description>
            <pubDate>Wed, 14 Nov 2012 09:28:07 -0600</pubDate>
        </item>
        <item>
            <title>Ray Dalio: Sold Out</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Ray+Dalio</link>
            <description></description>
            <pubDate>Tue, 13 Nov 2012 15:19:16 -0600</pubDate>
        </item>
        <item>
            <title>Jim Simons: Sold Out</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Jim+Simons</link>
            <description></description>
            <pubDate>Tue, 13 Nov 2012 14:08:54 -0600</pubDate>
        </item>
        <item>
            <title>PRIMECAP Management: Reduce -38.76%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=PRIMECAP+Management</link>
            <description></description>
            <pubDate>Tue, 13 Nov 2012 13:56:50 -0600</pubDate>
        </item>
        <item>
            <title>Quarterly balance sheet data updated</title>
            <link>http://www.gurufocus.com/financials.php?symbol=NOV</link>
            <description></description>
            <pubDate>Mon, 12 Nov 2012 16:34:34 -0600</pubDate>
        </item>
        <item>
            <title>Manning &amp; Napier Advisors, Inc: New holding, 48210 sh.</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Manning+%26+Napier+Advisors%2C+Inc</link>
            <description></description>
            <pubDate>Fri, 09 Nov 2012 10:57:40 -0600</pubDate>
        </item>
        <item>
            <title>Tom Gayner: Add 23.53%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Tom+Gayner</link>
            <description></description>
            <pubDate>Tue, 06 Nov 2012 18:25:46 -0600</pubDate>
        </item>
        <item>
            <title>Tom Gayner: Add 23.53%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Tom+Gayner</link>
            <description></description>
            <pubDate>Tue, 06 Nov 2012 17:53:57 -0600</pubDate>
        </item>
        <item>
            <title>Gabelli’s GAMCO Investors Increases Stake in Robbins &amp; Myers, 302 Pct</title>
            <link>http://www.gurufocus.com/news/195292</link>
            <description></description>
            <pubDate>Tue, 06 Nov 2012 16:23:53 -0600</pubDate>
        </item>
        <item>
            <title>National Oilwell Varco: Fundamental Stock Research Analysis</title>
            <link>http://www.gurufocus.com/news/193414</link>
            <description></description>
            <pubDate>Fri, 26 Oct 2012 14:40:29 -0600</pubDate>
        </item>
        <item>
            <title>Steven Cohen: Add 48743.9%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Steven+Cohen</link>
            <description></description>
            <pubDate>Thu, 25 Oct 2012 17:49:42 -0600</pubDate>
        </item>
        <item>
            <title>Value Idea Contest: Winner Announcement</title>
            <link>http://www.gurufocus.com/news/192837</link>
            <description></description>
            <pubDate>Mon, 22 Oct 2012 15:27:24 -0600</pubDate>
        </item>
        <item>
            <title>Ken Fisher: Reduce -40.54%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Ken+Fisher</link>
            <description></description>
            <pubDate>Thu, 18 Oct 2012 11:17:33 -0600</pubDate>
        </item>
        <item>
            <title>Pat Dorsey : What will drive the stocks forward</title>
            <link>http://www.gurufocus.com/news/191103</link>
            <description></description>
            <pubDate>Fri, 28 Sep 2012 08:17:40 -0600</pubDate>
        </item>
        <item>
            <title>Quarterly balance sheet data updated</title>
            <link>http://www.gurufocus.com/financials.php?symbol=NOV</link>
            <description></description>
            <pubDate>Mon, 24 Sep 2012 16:33:59 -0600</pubDate>
        </item>
        <item>
            <title>Quarterly balance sheet data updated</title>
            <link>http://www.gurufocus.com/financials.php?symbol=NOV</link>
            <description></description>
            <pubDate>Mon, 17 Sep 2012 17:02:18 -0600</pubDate>
        </item>
        <item>
            <title>Quarterly balance sheet data updated</title>
            <link>http://www.gurufocus.com/financials.php?symbol=NOV</link>
            <description></description>
            <pubDate>Mon, 17 Sep 2012 16:32:55 -0600</pubDate>
        </item>
        <item>
            <title>Quarterly balance sheet data updated</title>
            <link>http://www.gurufocus.com/financials.php?symbol=NOV</link>
            <description></description>
            <pubDate>Mon, 10 Sep 2012 16:31:50 -0600</pubDate>
        </item>
        <item>
            <title>Quarterly balance sheet data updated</title>
            <link>http://www.gurufocus.com/financials.php?symbol=NOV</link>
            <description></description>
            <pubDate>Mon, 03 Sep 2012 16:31:43 -0600</pubDate>
        </item>
        <item>
            <title>Tony Guerrerio: Add 60.76%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Tony+Guerrerio</link>
            <description></description>
            <pubDate>Fri, 31 Aug 2012 16:16:46 -0600</pubDate>
        </item>
        <item>
            <title>Frank Sands: Add 6.01%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Frank+Sands</link>
            <description></description>
            <pubDate>Thu, 30 Aug 2012 18:35:25 -0600</pubDate>
        </item>
        <item>
            <title>Quarterly balance sheet data updated</title>
            <link>http://www.gurufocus.com/financials.php?symbol=NOV</link>
            <description></description>
            <pubDate>Mon, 27 Aug 2012 16:31:47 -0600</pubDate>
        </item>
        <item>
            <title>Stocks to buy on dips: National Oilwell Varco</title>
            <link>http://www.gurufocus.com/news/188378</link>
            <description></description>
            <pubDate>Sat, 25 Aug 2012 09:41:13 -0600</pubDate>
        </item>
        <item>
            <title>Paul Tudor Jones: New holding, 165400 sh.</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Paul+Tudor+Jones</link>
            <description></description>
            <pubDate>Tue, 21 Aug 2012 10:26:05 -0600</pubDate>
        </item>
        <item>
            <title>Steven Cohen: Add 4980.22%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Steven+Cohen</link>
            <description></description>
            <pubDate>Thu, 16 Aug 2012 06:49:24 -0600</pubDate>
        </item>
        <item>
            <title>Bruce Kovner: New holding, 103250 sh.</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Bruce+Kovner</link>
            <description></description>
            <pubDate>Thu, 16 Aug 2012 06:20:56 -0600</pubDate>
        </item>
        <item>
            <title>Ken Heebner: Sold Out</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Ken+Heebner</link>
            <description></description>
            <pubDate>Wed, 15 Aug 2012 17:02:35 -0600</pubDate>
        </item>
        <item>
            <title>Buffett's vs. Soros' Investment Strategies</title>
            <link>http://www.gurufocus.com/news/187428</link>
            <description></description>
            <pubDate>Wed, 15 Aug 2012 09:03:03 -0600</pubDate>
        </item>
        <item>
            <title>T Boone Pickens: Reduce -43.32%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=T+Boone+Pickens</link>
            <description></description>
            <pubDate>Tue, 14 Aug 2012 17:16:14 -0600</pubDate>
        </item>
        <item>
            <title>Latest Picks From Berkshire Hathaway:  PSX, NOV, WFC, IBM, DVA, BK; Sells INTC, JNJ, KFT, UPS, V</title>
            <link>http://www.gurufocus.com/news/187313</link>
            <description></description>
            <pubDate>Tue, 14 Aug 2012 17:10:51 -0600</pubDate>
        </item>
        <item>
            <title>Warren Buffett: New holding, 2841200 sh.</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Warren+Buffett</link>
            <description></description>
            <pubDate>Tue, 14 Aug 2012 16:37:16 -0600</pubDate>
        </item>
        <item>
            <title>PRIMECAP Management: Reduce -51.93%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=PRIMECAP+Management</link>
            <description></description>
            <pubDate>Tue, 14 Aug 2012 16:36:31 -0600</pubDate>
        </item>
        <item>
            <title>John Burbank: Sold Out</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=John+Burbank</link>
            <description></description>
            <pubDate>Tue, 14 Aug 2012 10:44:37 -0600</pubDate>
        </item>
        <item>
            <title>RS Investment Management: New holding, 114894 sh.</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=RS+Investment+Management</link>
            <description></description>
            <pubDate>Tue, 14 Aug 2012 09:42:35 -0600</pubDate>
        </item>
        <item>
            <title>Robert Olstein: Add 73.68%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Robert+Olstein</link>
            <description></description>
            <pubDate>Tue, 14 Aug 2012 09:29:41 -0600</pubDate>
        </item>
        <item>
            <title>Quarterly balance sheet data updated</title>
            <link>http://www.gurufocus.com/financials.php?symbol=NOV</link>
            <description></description>
            <pubDate>Mon, 13 Aug 2012 16:33:13 -0600</pubDate>
        </item>
        <item>
            <title>Quarterly cashflow data updated</title>
            <link>http://www.gurufocus.com/financials/NOV</link>
            <description></description>
            <pubDate>Mon, 13 Aug 2012 16:33:13 -0600</pubDate>
        </item>
        <item>
            <title>Jeremy Grantham: Sold Out</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Jeremy+Grantham</link>
            <description></description>
            <pubDate>Mon, 13 Aug 2012 09:30:36 -0600</pubDate>
        </item>
        <item>
            <title>Jim Simons: Add 120.74%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Jim+Simons</link>
            <description></description>
            <pubDate>Sat, 11 Aug 2012 17:56:20 -0600</pubDate>
        </item>
        <item>
            <title>Ray Dalio: New holding, 16987 sh.</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Ray+Dalio</link>
            <description></description>
            <pubDate>Fri, 10 Aug 2012 14:27:56 -0600</pubDate>
        </item>
        <item>
            <title>Pioneer Investments: Add 51.34%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Pioneer+Investments</link>
            <description></description>
            <pubDate>Thu, 09 Aug 2012 10:55:38 -0600</pubDate>
        </item>
        <item>
            <title>National Oilwell Varco and Robbins &amp; Myers, Inc. Announce Merger Agreement at $60. ...</title>
            <link>http://www.gurufocus.comhttp://feeds.businesswire.com/click.phdo?i=f003064bd0bcb26a6f10abed522b2b1a</link>
            <description></description>
            <pubDate>Thu, 09 Aug 2012 08:12:51 -0600</pubDate>
        </item>
        <item>
            <title>Quarterly balance sheet data updated</title>
            <link>http://www.gurufocus.com/financials.php?symbol=NOV</link>
            <description></description>
            <pubDate>Mon, 06 Aug 2012 16:32:49 -0600</pubDate>
        </item>
        <item>
            <title>Quarterly balance sheet data updated</title>
            <link>http://www.gurufocus.com/financials.php?symbol=NOV</link>
            <description></description>
            <pubDate>Mon, 30 Jul 2012 16:32:06 -0600</pubDate>
        </item>
        <item>
            <title>Quarterly income statement data updated</title>
            <link>http://www.gurufocus.com/financials/NOV</link>
            <description></description>
            <pubDate>Mon, 30 Jul 2012 16:32:06 -0600</pubDate>
        </item>
        <item>
            <title>National Oilwell Varco Announces Second Quarter 2012 Earnings</title>
            <link>http://www.gurufocus.comhttp://feeds.businesswire.com/click.phdo?i=92e9858d62975b7966a236b1e61fd2bb</link>
            <description></description>
            <pubDate>Thu, 26 Jul 2012 07:11:23 -0600</pubDate>
        </item>
        <item>
            <title>8-K - NATIONAL OILWELL VARCO INC (0001021860) (Filer)</title>
            <link>http://www.gurufocus.com/StockLink.php?type=sec&amp;symbol=NOV&amp;date=2012-07-26&amp;report=8-K</link>
            <description></description>
            <pubDate>Thu, 26 Jul 2012 07:11:09 -0600</pubDate>
        </item>
        <item>
            <title>Ken Fisher: Reduce -99.48%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Ken+Fisher</link>
            <description></description>
            <pubDate>Tue, 24 Jul 2012 07:55:17 -0600</pubDate>
        </item>
        <item>
            <title>National Oilwell Varco Completes Acquisition of CE Franklin</title>
            <link>http://www.gurufocus.comhttp://feeds.businesswire.com/click.phdo?i=478d7994b9be5fc68fce8e63af8afeb3</link>
            <description></description>
            <pubDate>Thu, 19 Jul 2012 14:12:22 -0600</pubDate>
        </item>
        <item>
            <title>Quarterly balance sheet data updated</title>
            <link>http://www.gurufocus.com/financials.php?symbol=NOV</link>
            <description></description>
            <pubDate>Mon, 25 Jun 2012 16:32:47 -0600</pubDate>
        </item>
        <item>
            <title>Quarterly balance sheet data updated</title>
            <link>http://www.gurufocus.com/financials.php?symbol=NOV</link>
            <description></description>
            <pubDate>Mon, 18 Jun 2012 16:33:39 -0600</pubDate>
        </item>
        <item>
            <title>Quarterly balance sheet data updated</title>
            <link>http://www.gurufocus.com/financials.php?symbol=NOV</link>
            <description></description>
            <pubDate>Mon, 11 Jun 2012 16:32:22 -0600</pubDate>
        </item>
        <item>
            <title>Robert Olstein: New holding, 38000 sh.</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Robert+Olstein</link>
            <description></description>
            <pubDate>Wed, 16 May 2012 16:12:32 -0600</pubDate>
        </item>
        <item>
            <title>Paul Tudor Jones: Sold Out</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Paul+Tudor+Jones</link>
            <description></description>
            <pubDate>Wed, 16 May 2012 15:55:34 -0600</pubDate>
        </item>
        <item>
            <title>Ray Dalio: Sold Out</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Ray+Dalio</link>
            <description></description>
            <pubDate>Tue, 15 May 2012 18:26:04 -0600</pubDate>
        </item>
        <item>
            <title>Steven Cohen: Reduce -82.33%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Steven+Cohen</link>
            <description></description>
            <pubDate>Tue, 15 May 2012 18:14:01 -0600</pubDate>
        </item>
        <item>
            <title>Jim Simons: Reduce -68.98%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Jim+Simons</link>
            <description></description>
            <pubDate>Mon, 14 May 2012 14:45:56 -0600</pubDate>
        </item>
        <item>
            <title>Jeremy Grantham: Reduce -28.93%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Jeremy+Grantham</link>
            <description></description>
            <pubDate>Mon, 14 May 2012 12:47:06 -0600</pubDate>
        </item>
        <item>
            <title>Ken Heebner: Add 432.22%</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Ken+Heebner</link>
            <description></description>
            <pubDate>Mon, 14 May 2012 12:18:22 -0600</pubDate>
        </item>
        <item>
            <title>Chuck Royce: Sold Out</title>
            <link>http://www.gurufocus.com/StockBuy.php?GuruName=Chuck+Royce</link>
            <description></description>
            <pubDate>Thu, 10 May 2012 12:39:04 -0600</pubDate>
        </item>
        <item>
            <title>Quarterly balance sheet data updated</title>
            <link>http://www.gurufocus.com/financials.php?symbol=NOV</link>
            <description></description>
            <pubDate>Tue, 01 May 2012 16:36:11 -0600</pubDate>
        </item>
        <item>
            <title>Quarterly income statement data updated</title>
            <link>http://www.gurufocus.com/financials.php?symbol=NOV</link>
            <description></description>
            <pubDate>Tue, 01 May 2012 16:36:11 -0600</pubDate>
        </item>
        <item>
            <title>Director: sold 28380 sh. on 2012-03-09</title>
            <link>http://www.gurufocus.com/InsiderBuy.php?symbol=NOV</link>
            <description></description>
            <pubDate>Mon, 12 Mar 2012 15:53:32 -0600</pubDate>
        </item>
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