Benzinga's Top #PreMarket Gainers By: Benzinga via Benzinga June 01, 2015 at 08:08 AM EDT Oncothyreon Inc (USA) (NASDAQ: ONTY) shares climbed 32.16 percent to $4.52 in pre-market trading following the presentation of ... Read More >> Related Stocks: Exelixis Inc Immunogen Inc Vascular Biogen. Ord