Tags: Pfizer

Pfizer acts on Celebrex and Bextra subject to shareholder class action suit. The world's biggest pharmaceutical firm now needs to face investor allegations that executives misled them about the athritis drugs Celebrex and Bextra.

Bids, mergers, acquisitions and disposals involving European, U.S., Canadian and Asian companies. The following bids, mergers, acquisitions and disposals involving European, U.