Benzinga's Top #PreMarket Losers By: Benzinga via Benzinga August 26, 2015 at 08:27 AM EDT Verastem Inc (NASDAQ: VSTM) shares fell 12.86 percent to $5.76 in pre-market trading after rising 2.16 percent on Tuesday. ... Read More >> Related Stocks: Century Aluminum C Transocean Ltd Verastem Inc