J.P.Morgan dealers went on 'trading spree' to cover Whale loss

J.P. Morgan executives tried to conceal data from US regulators that revealed just how large its ‘London Whale' trading losses were, according to the US Senate.

In the first major probe into the losses, the Senate claims the trades “barrelled through every risk barrier" and that data was omitted in reports to the US regulator. Head of the Senate Permanent...