Pfizer (NYSE:PFE) fell by 3.06% to trade at $42.75 by 15:29 (19:29 GMT) on Wednesday on the NYSE exchange.
The volume of Pfizer shares traded since the start of the session was 23.80M. Pfizer has traded in a range of $42.74 to $44.29 on the day.
The stock has traded at $44.8300 at its highest and $42.7500 at its lowest during the past seven days.
