Momenta Pharmaceuticals (MNTA -21.3%) plummets on heavy volume, reacting to reports that Watson...

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

Momenta Pharmaceuticals (MNTA -21.3%) plummets on heavy volume, reacting to reports that Watson Pharmaceuticals (WPI +1.6%) partner Amphastar won an appeals court stay involving its generic Lovenox blood thinner treatment. A preliminary injunction preventing the launch of a generic version of Lovenox had been granted in October.