A time-honored tradition for handling executive succession on Wall Street is the practice of putting two ferrets in a sack, figuratively speaking. That's when a bank takes two promising managers and makes them co-heads of the same business. The expectation is that, like two feral mammals clawing each other in the darkness, one will emerge victorious. He will become CEO. The other is named deputy vice chairman of Bolivian equities. JPMorgan Chase has yet to officially haul out the burlap sack, but the $2 billion trading loss it disclosed two weeks ago has accelerated the contest to succeed Jamie Dimon at the top of America's biggest financial institution.
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