Benzinga's Top #PreMarket Gainers By: Benzinga via Benzinga December 08, 2014 at 08:11 AM EST Cubist Pharmaceuticals (NASDAQ: CBST) shares jumped 35.88% to $101.04 in pre-market trading after Merck (NYSE: MRK) announced its plans ... Read More >> Related Stocks: Acceleron Pharma Agios Pharmaceuticals Barrick Gold Corp Celgene Corp Merck & Co