Achillion Pharmaceuticals Inc (NASDAQ:ACHN) was upgraded by investment analysts at Maxim Group from a “hold” rating to a “buy” rating in a note issued to investors on Monday, TheFlyOnTheWall.com reports. The firm currently has a $6.00 price target on the stock. Maxim Group’s target price would suggest a potential upside of 62.16% from the stock’s previous close. Achillion Pharmaceuticals, Inc. (NASDAQ:ACHN) stock performance was -7.30% … Continue reading Biotech Bearish Stocks: Achillion Pharmaceuticals (NASDAQ:ACHN), Galena Biopharma (NASDAQ:GALE), Insmed Incorporated (NASDAQ:INSM), CytRx Corporation (NASDAQ:CYTR)