Investing.com - Pfizer (NYSE:PFE) rose by 5.44% to trade at $31.80 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 $238.84K. Pfizer has traded in a range of $31.63 to $31.81 on the day.
The stock has traded at $34.6900 at its highest and $29.7600 at its lowest during the past seven days.