Benzinga's Top #PreMarket Losers By: Benzinga via Benzinga July 28, 2014 at 08:19 AM EDT Horizon Pharma (NASDAQ: HZNP) fell 32.37% to $9.40 in pre-market trading after the company reported that CVS Caremark (NYSE: CVS) and ... Read More >> Related Stocks: Acelrx Pharmaceutica CVS Health Corp Express Scripts Holding