Gagnon Securities Llc Buys Chembio Diagnostics Inc, Tile Shop Holdings Inc, AT&T Inc, Sells Five9 Inc, New Relic Inc, Equinix Inc

• New Purchases: CEMI, T, TTS, AEO, NCSM, RRC, ASPN, ERA, MAG,
• Added Positions: LL, PSIX, GE, FRAC, JNJ, PFE, EPD, NVGS, XOM, IPHI,
• Reduced Positions: FIVN, NEWR, EQIX, RHT, EVBG, AMRC, AL, INST, NTDOY, WPX,
• Sold Out: TLRD, TEVA, CELG, SRNE, NMREF,

For the details of GAGNON SECURITIES LLC's stock buys and sells, go to http://www.gurufocus.com/StockBuy.php?GuruName=GAGNON+SECURITIES+LLC

1. Air Lease Corp (AL) - 382,544 shares, 5.81% of the total portfolio. Shares reduced by 5.16%
2. Red Hat Inc (RHT) - 98,319 shares, 5.24% of the total portfolio. Shares reduced by 13.15%
3. General Finance Corp (GFN) - 1,971,772 shares, 5.09% of the total portfolio. Shares reduced by 4.99%
4. CareDx Inc (CDNA) - 1,789,352 shares, 5.08% of the total portfolio. Shares reduced by 4.76%
5. Ameresco Inc (AMRC) - 931,711 shares, 4.32% of the total portfolio. Shares reduced by 11.28%

Gagnon Securities Llc initiated holding in Chembio Diagnostics Inc. The purchase prices were between $7.05 and $9, with an estimated average price of $7.99. The stock is now traded at around $7.85. The impact to a portfolio due to this purchase was 0.58%. The holding were 201,698 shares as of 2018-03-31.

Gagnon Securities Llc initiated holding in AT&T Inc. The purchase prices were between $34.69 and $39.16, with an estimated average price of $36.85. The stock is now traded at around $31.40. The impact to a portfolio due to this purchase was 0.34%. The holding were 26,788 shares as of 2018-03-31.

Gagnon Securities Llc initiated holding in Tile Shop Holdings Inc. The purchase prices were between $5.2 and $10.35, with an estimated average price of $7.75. The stock is now traded at around $6.85. The impact to a portfolio due to this purchase was 0.34%. The holding were 157,721 shares as of 2018-03-31.

Gagnon Securities Llc initiated holding in American Eagle Outfitters Inc. The purchase prices were between $17.1 and $20.57, with an estimated average price of $18.74. The stock is now traded at around $20.30. The impact to a portfolio due to this purchase was 0.16%. The holding were 22,053 shares as of 2018-03-31.

Gagnon Securities Llc initiated holding in NCS Multistage Holdings Inc. The purchase prices were between $14.27 and $19.4, with an estimated average price of $16.37. The stock is now traded at around $16.55. The impact to a portfolio due to this purchase was 0.14%. The holding were 25,698 shares as of 2018-03-31.

Gagnon Securities Llc initiated holding in Range Resources Corp. The purchase prices were between $12.71 and $17.92, with an estimated average price of $14.95. The stock is now traded at around $14.79. The impact to a portfolio due to this purchase was 0.07%. The holding were 12,932 shares as of 2018-03-31.

Gagnon Securities Llc added to a holding in Power Solutions International Inc by 21.60%. The purchase prices were between $6.4 and $8.35, with an estimated average price of $7.11. The stock is now traded at around $7.75. The impact to a portfolio due to this purchase was 0.26%. The holding were 564,093 shares as of 2018-03-31.

Gagnon Securities Llc added to a holding in General Electric Co by 109.84%. The purchase prices were between $12.89 and $19.02, with an estimated average price of $15.54. The stock is now traded at around $14.62. The impact to a portfolio due to this purchase was 0.18%. The holding were 71,256 shares as of 2018-03-31.

Gagnon Securities Llc added to a holding in Keane Group Inc by 68.70%. The purchase prices were between $13.62 and $19.5, with an estimated average price of $16.36. The stock is now traded at around $15.60. The impact to a portfolio due to this purchase was 0.15%. The holding were 69,315 shares as of 2018-03-31.

Gagnon Securities Llc added to a holding in Johnson & Johnson by 86.10%. The purchase prices were between $125.1 and $148.14, with an estimated average price of $135.16. The stock is now traded at around $123.51. The impact to a portfolio due to this purchase was 0.11%. The holding were 5,250 shares as of 2018-03-31.

Gagnon Securities Llc added to a holding in Pfizer Inc by 61.15%. The purchase prices were between $33.63 and $39.02, with an estimated average price of $36.23. The stock is now traded at around $35.17. The impact to a portfolio due to this purchase was 0.07%. The holding were 14,708 shares as of 2018-03-31.

Gagnon Securities Llc added to a holding in Enterprise Products Partners LP by 22.99%. The purchase prices were between $24.06 and $29.4, with an estimated average price of $26.66. The stock is now traded at around $26.93. The impact to a portfolio due to this purchase was 0.07%. The holding were 45,070 shares as of 2018-03-31.

Gagnon Securities Llc sold out a holding in Tailored Brands Inc. The sale prices were between $20.92 and $25.77, with an estimated average price of $23.16.

Gagnon Securities Llc sold out a holding in Teva Pharmaceutical Industries Ltd. The sale prices were between $16.68 and $22.07, with an estimated average price of $19.52.

Gagnon Securities Llc sold out a holding in Celgene Corp. The sale prices were between $84.98 and $109.14, with an estimated average price of $96.

Gagnon Securities Llc sold out a holding in Sorrento Therapeutics Inc. The sale prices were between $4.5 and $9.95, with an estimated average price of $7.11.

Gagnon Securities Llc sold out a holding in Namibia Rare Earths Inc. The sale prices were between $0.03 and $0.17, with an estimated average price of $0.07.