Rogue Trader’s Financial Toll on UBS IncreasesSwiss bank UBS AG revised the initial toll of losses from 31-year-old trader Kweku Adoboli, to a possible $2.3 billion.SavePrintCaroline Dobson9/18/2011|Updated: 10/1/2015We had a problem loading this article. Please enable javascript or use a different browser. If the issue persists, please visit our help center.