Benzinga's Top #PreMarket Gainers By: Benzinga via Benzinga May 13, 2014 at 08:06 AM EDT Halozyme Therapeutics (NASDAQ: HALO) shares climbed 12.63% to $8.47 in the pre-market trading session after the company reported a Q1 ... Read More >> Related Stocks: Coca-Cola Company Halozyme Therapeutic Keurig Green Mountain McKesson Corp