United Airlines is taking a hit after forcibly kicking a passenger off a plane (UAL)

Shares of United Continental are under pressure on Tuesday, down 4.3% at $68.47 a share, amid the fallout from an incident where a passenger was forcibly removed from a plane by airport police.  
The passenger suffered injuries to his face, and was taken to the hospital for treatment, after refusing to give up his seat on an overbooked flight from Chicago to Louisville. 
United's stock didn't react negatively to the news on Monday, ending the session higher by 0.9%