U.S. judge finds 'viable' legal theory in Libor litigation
August 04, 2015 at 16:58 PM EDT
NEW YORK, Aug 4 (Reuters) - The U.S. judge overseeing private litigation accusing global banks of manipulating Libor on Tuesday said she found a "viable legal theory" that could justify relief for investors who claim they were harmed by a conspiracy to rig the benchmark rate.