The US Supreme Court refused to hear American Airlines Group Inc.’s appeal of a lower court ruling that its partnership with ...

A U.S. judge on Monday ordered Argentina to give up its 51% stake in oil and gas company YPF to partially satisfy a $16.1 ...

The Supreme Court on Monday turned away American Airlines’ bid to reverse a lower court ruling invalidating the carrier’s alliance with JetBlue in the Northeast. An appeals court invalidated ...