Another top contributor was specialty cutting tool insert maker Kennametal Inc. (NYSE:KMT), advancing +20.55% on strong earnings driven by improved sales execution, cost reductions and increased productivity. New CEO Chris Rossi also delivered a well received 3-year strategic plan outlining further opportunities for margin improvement. We continue to believe Kennametal remains underpriced relative to its intrinsic value.
From John Rogers (Trades, Portfolio)' Ariel Funds 2017 shareholder letter.
