The residual portfolio, largely trades in so-called tranches of indexes that wager on the degree to which companies will default together, was transferred to the investment bank, where they have 'the expertise' to manage it, Dimon said.
Finally, Bloomberg reports that JPMorgan had already lost more than $700m on synthetic credit bets and Chief Executive Officer Jamie Dimon was told that number could climb to almost $1bn when he dismissed press reports about the positions in April as a 'tempest in a teapot'.


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