Pfizer (NYSE:PFE) Stock fell by 3.45% to trade at $31.08 by 09:31 (13:31 GMT) on Wednesday on the NYSE exchange.
The volume of Pfizer shares traded since the start of the session was 794.65K. Pfizer has traded in a range of $30.68 to $31.18 on the day.
The stock has traded at $34.6600 at its highest and $29.6500 at its lowest during the past seven days.
