Investing.com - Pfizer (NYSE:PFE) fell by 3.40% to trade at $32.94 by 09:57 (14:57 GMT) on Friday on the NYSE exchange.
The volume of Pfizer shares traded since the start of the session was $7.54M. Pfizer has traded in a range of $32.93 to $33.94 on the day.
The stock has traded at $36.0600 at its highest and $32.9400 at its lowest during the past seven days.