Shares AMR Corp. (AMR -5.7%) drop after a U.S. District Court dismisses all existing antitrust...

|By:, SA News Editor

Shares AMR Corp. (AMR -5.7%) drop after a U.S. District Court dismisses all existing antitrust claims the company had filed against Travelport and Orbitz Worldwide (OWW +1.4%). American had originally filed the suit contending that the travel companies were illegally conspiring with each other to prevent competition from its own stand-alone proprietary system.