A 31-year-old UBS trader has been arrested in London on suspicion of fraud by abuse of position, resulting in a US$2 billion loss for the Swiss bank. The news, breaking three years to the day after the collapse of Lehman Brothers, has put UBS trading activites back in the sights of regulators. https://www.financialstandard.com.au/feed/latest?story=12351883 en-AU Copyright 2026 Financial Standard 5