22 Stocks Moving In Wednesday's Pre-Market Session

Gainers

• Derma Sciences Inc DSCI shares rose 40 percent to $7.00 in pre-market trading after the company agreed to be acquired by Integra Lifesciences Holdings Corp IART for $7.00 per share in cash.
• Biocept Inc BIOC shares rose 31.5 percent to $2.38 in pre-market trading after surging 77.45 percent on Tuesday.
• Enphase Energy Inc ENPH rose 22.1 percent to $1.38 in pre-market trading after the company reported a $10 million strategic investment from T.J.Rodgers and John Doerr.
• TG Therapeutics Inc TGTX shares rose 18 percent to $5.90 in pre-market trading after the company disclosed positive MS study data.
• Geron Corporation GERN rose 13.6 percent to $2.50 in pre-market trading after declining 0.45 percent on Tuesday.
• Achaogen Inc AKAO shares rose 9.3 percent to $16.90 in pre-market trading after Baker Bros Advisors reported a 13.1 percent stake in the company.
• WaferGen Bio-systems, Inc. WGBS rose 7.6 percent to $5.96 in pre-market trading after gaining 9.27 percent on Tuesday.
• Arrowhead Pharmaceuticals Inc ARWR shares rose 6 percent to $2.14 in pre-market trading after climbing 6.88 percent on Tuesday.
• Neuralstem, Inc. CUR rose 5.5 percent to $6.39 in pre-market trading after climbing 59.06 percent on Tuesday.
• Keryx Biopharmaceuticals KERX rose 4.8 percent to $6.50 in pre-market trading. Citigroup upgraded Keryx Biopharmaceuticals from Sell to Neutral.
• Merck & Co., Inc. MRK rose 3.5 percent to $62.00 in pre-market trading after the company disclosed that it has received the FDA acceptance of supplemental Biologics License Application for KEYTRUDA.
• Sangamo Therapeutics Inc SGMO shares rose 2.8 percent to $3.75 in pre-market trading after the company disclosed that it has received Orphan Drug designation from the FDA for SB-318.

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Losers

• Novadaq Technologies Inc. NVDQ fell 17.1 percent to $6.34 in pre-market trading after the company issued a weak sales forecast.
• Signal Genetics Inc SGNL shares fell 12.8 percent to $15.25 in the pre-market trading session after surging 264.93 percent on Tuesday.
• Diffusion Pharmaceuticals Inc DFFN shares fell 13.5 percent to $7.22 in pre-market trading after climbing 46.49 percent on Tuesday.
• EnteroMedics Inc ETRM shares fell 10.8 percent to $24.70 in pre-market trading after rising 56.50 percent on Tuesday.
• GenVec Inc GNVC fell 9 percent to $8.00 in pre-market trading after jumping 76.86 percent on Tuesday.
• Bluerock Residential Growth REIT Inc BRG fell 5.7 percent to $13.05 in pre-market trading after the company announced a 4 million share offering.
• Archer Daniels Midland Company ADM fell 5.6 percent to $41.96 in pre-market trading as the company agreed to acquire Crosswind Industries, Inc.
• Performance Food Group Co PFGC shares fell 5.2 percent to $22.80 in pre-market trading. Performance Food Group priced its 10 million share offering at $22.85 per share.
• Signet Jewelers Ltd. SIG shares fell 4.5 percent to $83.53 in pre-market trading as the company lowered its profit and sales forecast for the full year.
• Parsley Energy Inc PE shares fell 3.2 percent to $35.50 in pre-market trading. Parsley Energy reported that it has priced its upsized 22 million share offering of Class A common stock for gross proceeds of $770 million.