Benzinga's Top #PreMarket Gainers By: Benzinga via Benzinga October 08, 2014 at 08:04 AM EDT Chimerix (NASDAQ: CMRX) shares jumped 8.31% to $35.99 in pre-market trading on positive brincidofovir data. Symantec (NASDAQ: SYMC) ... Read More >> Related Stocks: Chimerix Inc Costco Wholesale Symantec Corp