Investing.com - Pfizer (NYSE:PFE) fell by 4.94% to trade at $33.29 by 09:32 (13:32 GMT) on Monday on the NYSE exchange.
The volume of Pfizer shares traded since the start of the session was $181.19K. Pfizer has traded in a range of $33.19 to $33.46 on the day.
The stock has traded at $36.4600 at its highest and $32.5300 at its lowest during the past seven days.