Investing.com - Pfizer (NYSE:PFE) fell by 3.03% to trade at $33.55 by 09:35 (13:35 GMT) on Wednesday on the NYSE exchange.
The volume of Pfizer shares traded since the start of the session was $1.34M. Pfizer has traded in a range of $33.55 to $33.88 on the day.
The stock has traded at $36.4600 at its highest and $33.0200 at its lowest during the past seven days.