 Shares of Momenta Pharmaceuticals, Inc. NASDAQ:MNTA hit a new 52-week high on Monday after JPMorgan Chase Co. raised their price target on the stock from 37.00 to 42.00. JPMorgan Chase Co. currently has an overweight rating on the stock. Momenta Pharmaceuticals traded as high as 37.50 and last traded at 36.19, with a ... 