tough times

UBS, Switzerland’s biggest bank, may be fined more than $1 billion by U.S. and U.K. regulators for trying to rig global interest rates, more than double the amount levied against Barclays Plc, according to a person familiar with the probe….The fine will likely be the largest against any bank levied by the U.S. and U.K. authorities in the Libor probes, the person said. [Bloomberg]