Shares of Genocea Biosciences (NASDAQ:GNCA) dropped 2.3% during trading on Tuesday after FBR & Co. lowered their price target on the stock from $20.00 to $17.00, Market Beat Ratings reports. FBR & Co. currently has an outperform rating on the stock. Genocea Biosciences traded as low as $5.00 and last traded at $5.05, with a […]