Benzinga's Top #PreMarket Losers By: Benzinga via Benzinga July 01, 2015 at 08:21 AM EDT Ballard Power Systems Inc. (USA) (NASDAQ: BLDP) shares declined 13.88 percent to $1.80 in pre-market trading after the company priced ... Read More >> Related Stocks: Ballard Power Sys Barrick Gold Corp Greenbrier Companies Seres Therapeutics Inc