Mirati Therapeutics Inc. (NASDAQ:MRTX) was upgraded by Zacks Investment Research from a “sell” rating to a “hold” rating in a note issued to investors on Saturday. According to Zacks, “Mirati Therapeutics, Inc. is a biopharmaceutical company. It engaged in the development of novel therapeutics for the treatment of cancer. Mirati Therapeutics, Inc., formerly known as […]