Benzinga's Top #PreMarket Losers By: Benzinga via Benzinga May 13, 2015 at 08:22 AM EDT Orexigen Therapeutics, Inc. (NASDAQ: OREX) fell 10.62 percent to $5.30 in pre-market trading. The company terminated a cardiovascular ... Read More >> Related Stocks: AES Corp Macy's Vivint Solar Inc