Benzinga's Top #PreMarket Gainers By: Benzinga via Benzinga October 12, 2015 at 08:15 AM EDT Orexigen Therapeutics, Inc. (NASDAQ: OREX) shares rose 11.07 percent to $2.81 in pre-market trading after surging 6.3 percent Friday ... Read More >> Related Stocks: Barrick Gold Corp EMC Corp Radius Recycling Inc Spark Therap