Investing.com - Pfizer (NYSE:PFE) rose by 5.11% to trade at $34.37 by 09:30 (13:30 GMT) on Wednesday on the NYSE exchange.
The volume of Pfizer shares traded since the start of the session was $6.48M. Pfizer has traded in a range of $34.36 to $34.51 on the day.
The stock has traded at $34.4700 at its highest and $31.6100 at its lowest during the past seven days.