Benzinga's Top #PreMarket Gainers

Foundation Medicine, Inc. FMI shares gained 106.52% to $49.44 in the pre-market trading session after Roche Holding AG RHHBY announced its plans to acquire up to 56.3% stake in Foundation Medicine for $1.03 billion. Roche will commence tender offer at $50.00 per share. Tekmira Pharmaceuticals Corp TKMR shares jumped 47.42% to $23.10 in pre-market trading on merger deal with OnCore Biopharma Inc. Abengoa SA (ADR) ABGB shares surged 14.04% to $14.95 in pre-market trading after the company announced the commencement of a 9.2 million secondary public offering of its shares of Abengoa Yield by selling shareholder Abengoa. NPS Pharmaceuticals, Inc.NPSP shares rose 8.52% to $45.48 in pre-market trading after Shire PLC SHPG agreed to buy NPS Pharmaceuticals for $5.2 billion, or $46 per share. MWI Veterinary Supply, Inc. MWIV gained 5.78% to $185.81 in pre-market trading after AmerisourceBergen Corporation ABC reported the purchase of MWI Veterinary Supply for $190 per share in cash.