Swiss bank's shares dive after unauthorized trading revealed
(NEWSER) - A rogue trader at UBS has lost around $2 billion, the Swiss banking giant says. The unauthorized trades by a trader in its investment banking unit "could lead UBS to report a loss for the third quarter of 2011," but "no client positions were affected," the bank said in a statement that offered few other details. Shares in UBS dived almost 10% in early trading after the announcement, which arrived on the third anniversary of Lehman Brothers' declaration of bankruptcy, the Guardian notes. More»