Here are some of the major companies whose stocks moved on the week’s news.

Pfizer is facing a messy showdown this week after an outside bid to revive the company’s post-Covid share plunge took an ...

An errant email to Pfizer CEO Albert Bourla tipped off the executive to an activist investor campaign, Endpoints News’ Drew Armstrong and Max Bayer report. The Atlantic’s Nicholas Florko explores ...

Starboard has accused Pfizer of “coercive conduct” after executives who initially backed the hedge fund retracted their ...