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The process for setting LIBOR has come under scrutiny since Britain’s Barclays bank admitted two weeks ago that it had submitted false information to keep the rate low. In settlements with U.S. and British regulators, the bank agreed to pay a $453 million fine.

BANKS

JPMorgan: Bad trade has ballooned to $5.8B

NEW YORK — JPMorgan Chase said Friday that a bad trade had cost the bank $5.8 billion this year, almost triple its original estimate, and raised the prospect that traders had improperly tried to conceal the blunder.

“This has shaken our company to the core,” CEO Jamie Dimon said.

The bank said managers tied to the bad trade had been dismissed without severance pay and that it planned to revoke two years’ worth of pay from each of those executives.

JPMorgan said it had lost $4.4 billion because of the trade from April through June, and its chief financial officer said the bank had lost an additional $1.4 billion in the first three months of the year.

From wire dispatches and staff reports