S&P announces that Momenta Pharmaceuticals (MNTA) will replace HealthSpring (HS) in its...

|About: Momenta Pharmaceuticals, ... (MNTA)|By:, SA News Editor

S&P announces that Momenta Pharmaceuticals (MNTA) will replace HealthSpring (HS) in its SmallCap 600 index in a move that will become effective on Jan. 31. Shares of MNTA +3.6% premarket.