Switzerland's biggest bank, UBS, is to sell its Brazilian outlet, UBS Pactual - a financial services firm bought in 2006 - to its original owners for ┬ú1.7 billion. ┬á The Swiss bank said the sale of UBS Pactual to Andre Esteves, the former head of the business, would result in "a small loss,ÔÇØ but will reduce its risk profile, free up capital, strengthen its balance sheet and sharpen its business focus.┬á "There may be more transactions like this to follow," said Mathias Bueeler and analyst at Kepler Capital Markets.