Morning Market Gainers

Emerald Oil Inc EOX shares climbed 43.76 percent to $7.49 following the announcement that it will not proceed with stock offering. Hydrogenics Corporation (USA) HYGS shares surged 35.34 percent to $12.21 after the company reported a 10 year exclusive agreement, to supply Alstom Transport with hydrogen fuel cell systems for European regional commuter trains. Opexa Therapeutics Inc OPXA shares jumped 20.29 percent to $0.463. On Tuesday, Maxim Group initiated coverage on Opexa Therapeutics with a Buy rating and a $5.00 price target. Meru Networks, Inc. MERU shares gained 16.31 percent to $1.61 after Fortinet Inc FTNT announced its plans to purchase Meru Networks for $1.63 per share. Ceres Inc CERE shares rose 14.79 percent to $1.94 after the company reported that it has been awarded a US patent for innovation in soybean. Five Prime Therapeutics Inc FPRX shares gained 10.13 percent to $21.66 on news that it has licensed certain antibodies to Bluebird Bio Inc. BLUE. Tiffany & Co. TIF rose 9.81 percent to $93.92 after the company reported stronger-than-expected results for the first quarter on Wednesday. Retrophin Inc RTRX shares gained 7.68 percent to $28.93 following news that the company will sell priority review voucher to Sanofi SA (ADR) SNY. Cellectis SA (ADR) CLLS shares jumped 6.97 percent to $38.99 after rising 7.21 percent on Tuesday. TiVo Inc. TIVO shares climbed 4.73 percent to $10.85 after the company reported upbeat results for the first quarter. Nanosphere, Inc. NSPH shares rose 4.52 percent to $3.70 following the report of a 6.4 percent stake by SWK Holdings on Tuesday.