Investing.com - Pfizer (NYSE:PFE) fell by 5.04% to trade at $30.54 by 00:35 (13:35 GMT) on Thursday on the NYSE exchange.
The volume of Pfizer shares traded since the start of the session was $3.11M. Pfizer has traded in a range of $30.26 to $30.84 on the day.
The stock has traded at $36.4600 at its highest and $30.3800 at its lowest during the past seven days.