Pfizer Inc. has agreed to pay $67.5 million to settle a class-action lawsuit by former Wyeth Inc. shareholders who said they were misled about risks associated with the antidepressant Pristiq, Reuters reported. The all-cash settlement was disclosed one month after Pfizer agreed to pay $164 million to settle a separate lawsuit accusing it of misleading investors about clinical trial results for the arthritis drug Celebrex. Read more.