Investing.com - Pfizer (NYSE:PFE) rose by 3.87% to trade at 29.49 by 09:31 (13:31 GMT) on Tuesday on the NYSE exchange.
The volume of Pfizer shares traded since the start of the session was 1.02M. Pfizer has traded in a range of $29.23 to $29.53 on the day.
The stock has traded at $32.6500 at its highest and $27.9600 at its lowest during the past seven days.