11 Stocks Moving In Monday's Pre-Market Session

Gainers

• BioLife Solutions Inc BLFS rose 58.2 percent to $2.42 in pre-market trading as the company announced a 10 year supply contract with Kite Pharma Inc KITE.
• Sagent Pharmaceuticals Inc SGNT shares rose 39.5 percent to $21.62 in pre-market trading as the company agreed to be acquired by Nichi-Iko Pharmaceutical for $21.75 per share.
• Organovo Holdings Inc ONVO rose 9.3 percent to $4.24 in pre-market trading as the company reported data showing superiority of 3D bioprinted human live tissues in assessing drug-induced toxicity.
• Eleven Biotherapeutics Inc EBIO shares rose 9.3 percent to $2.71 in pre-market trading after jumping 26.53 percent on Friday.
• Imperva Inc IMPV shares rose 6.2 percent to $47.50 in pre-market trading. Reuters reported Friday that Imperva was looking to hire investment bank to explore strategic options.
• 21Vianet Group Inc VNET rose 3.8 percent to $9.90 in pre-market trading after gaining 2.58 percent on Friday.
• Elbit Systems Ltd ESLT shares rose 3.2 percent to $96.02 in pre-market trading as the company reported that it has been was awarded a contract worth $19 million contract from the Maldonado District Administration in Uruguay, to provide a Safe District project.
• Bank Of The Ozarks Inc OZRK shares rose 2 percent to $37.50 in pre-market trading after the company reported better-than-expected Q2 earnings.

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Losers

• Twitter Inc TWTR shares fell 2 percent to $17.72 in pre-market trading. Monness Crespi Hardt downgraded Twitter from Buy to Neutral, while SunTrust Robinson Humphrey downgraded the stock from Buy to Neutral.
• Cracker Barrel Old Country Store, Inc. CBRL shares fell 1.4 percent to $162.43 in pre-market trading. Bank of America downgraded Cracker Barrel from Neutral to Underperform.
• Yahoo! Inc. YHOO shares fell 1.2 percent to $37.32 in the pre-market trading session. SunTrust Robinson Humphrey downgraded the rating on Yahoo! from Buy to Neutral, while lowering the price target from $44 to $42.