ubss swisslisted shares ubsg fell around 4 in early trading after the bank posted 103 billion in firstquarter net profit down by half from a year earlier the bank which is switzerlands largest set aside 665 million for litigation related to residential mortgagebacked securities that ubs sold before the 2008 financial crisis the results didn’t include credit suisse’s operations since the merger hasn’t been finalized ubs said it is likely to complete the acquisition in the second quarter