Benzinga's Top #PreMarket Gainers By: Benzinga via Benzinga June 09, 2014 at 08:03 AM EDT Idenix Pharmaceuticals (NASDAQ: IDIX) shares gained 233.33% to $24.10 in pre-market trading after Merck (NYSE: MRK) announced its plans ... Read More >> Related Stocks: Achison Inc Analog Devices Family Dollar Stores Merck & Co Tyson Foods