UBS needs to broaden its U.S. business, CEO Ermotti says | Reuters Speaking in the Swiss city of St. Gallen, Ermotti vowed to work until the "last minute" to ensure UBS and Switzerland kept benefiting from each other amid speculation the bank could move its headquarters abroad if it found the new rules too onerous. UBS(UBSG.S), opens new tab in March secured a national banking licence in the United States, and Ermotti said expanding in the United States did not necessarily need to be via an acquisition. "We ...