Jpmorgan Chase & Co.

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** FILE ** In this May 11, 2012, file photo, people stand in the lobby of JPMorgan Chase headquarters in New York. Moody's Investors Service on Thursday, June 21, 2012, lowered the credit ratings of 15 the world's largest banks late Thursday, including JPMorgan Chase, Bank of America, and Goldman Sachs, saying their long-term prospects for profitability and growth are shrinking. (AP Photo/Mark Lennihan, File)

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Back on Capitol Hill to discuss JPMorgan Chase & Co.'s $2 billion trading loss this spring, CEO Jamie Dimon firmly denied Tuesday that the total could soar. (Associated Press)

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JPMorgan Chase CEO Jamie Dimon, head of the largest bank in the United States, prepares to testify June 13, 2012, on Capitol Hill before the Senate Banking Committee about how his company recently lost more than $2 billion on risky trades and whether its executives failed to properly manage those risks. (Associated Press)

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Protesters demonstrate outside the gate of JPMorgan Chase after the annual stockholders meeting in Tampa, Fla., on Tuesday. CEO Jamie Dimon kept his job after he disclosed a $2 billion trading loss. He spent four minutes talking about the loss. (Associated Press)

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Hillsborough Sheriff deputy patrols outside the gate of JP Morgan Chase annual stockholders meeting held May 15, 2012, in Tampa, Fla. JPMorgan Chase CEO Jamie Dimon was scheduled speak to shareholders at the meeting, five days after disclosing a $2 billion trading loss. (Associated Press)