Matthew Czepliewicz, an analyst at Collins Stewart, said the unauthorised loss cuts his 2011 earnings-per-share estimate for UBS by about 30pc - "a huge hit". He continued: "A loss of this magnitude will very likely have occurred in the FICC (Fixed Incomes, Currencies and Commodities) division, the very division UBS has been systematically rebuilding after shrinking it by 40pc during the credit crisis. That an unauthorised position of this size could have escaped oversight will renew pressure on management to radically scale back the FICC business, a volatile and capital-intensive business overall." He said that his upgrade of UBS to "buy" from "hold" on September 6 "now looks memorable, to say the least", but added: "As large and embarrassing as the loss is, it may in fact drive a positive...