Oncothyreon Inc (NASDAQ:ONTY) was upgraded by Zacks Investment Research from a “sell” rating to a “hold” rating in a research report issued on Saturday, MarketBeat Ratings reports. According to Zacks, “Oncothyreon Inc., formerly Biomira Inc. is a clinical-stage biopharmaceutical company focused primarily on the development and commercialization of therapeutic products for the treatment of cancer. […]