Pfizer’s stock took a sharp dip on May 28, dropping over 2% to $23.12 by the afternoon. The stock opened flat at $23.61 but ...

Shares of Pfizer Inc. PFE slid 1.82% to $23.18 Wednesday, on what proved to be an all-around poor trading session for the stock market, with the S&P 500 Index SPX falling 0.56% to 5,888.55 and Dow ...

Every investor in Pfizer Inc. (NYSE:PFE) should be aware of the most powerful shareholder groups. The group holding the most ...