Walgreens Boots (NASDAQ:WBA) fell by 12.11% to trade at $55.81 by 09:30 (13:30 GMT) on Tuesday on the NASDAQ exchange.
The volume of Walgreens Boots shares traded since the start of the session was 2.57M. Walgreens Boots has traded in a range of $55.55 to $55.96 on the day.
The stock has traded at $64.1200 at its highest and $55.5500 at its lowest during the past seven days.
