Johnson & Johnson (NYSE:JNJ) announced today that it successfully completed its $6.5 billion acquisition of Momenta Pharmaceuticals (NSDQ:MNTA). After the all-cash acquisition was agreed upon in August, it officially closed today through a merger of Vigor with and into Momenta, which now operates as a wholly-owned subsidiary of Johnson & Johnson. In connection with the merger, shares…

Johnson & Johnson (NYSE:JNJ) announced today that it entered into an agreement to purchase Momenta Pharmaceuticals (NSDQ:MNTA) for $6.5 billion. New Brunswick, N.J.-based Johnson & Johnson will pay $6.5 billion in an all-cash transaction for the developer of novel therapies for immune-mediated diseases, according to a news release. Momenta felt the full effect of the news…