JPMorgan Chase CEO Jamie Dimon, here seen in June testifying before a congressional committee, will try to explain the bank's trading losses to investors on Friday. Chip Somodevilla/Getty Images hide caption

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Standing behind a banner with a picture of J.P. Morgan Chairman and CEO James Dimon, protesters gathered outside the bank's annual meeting today in Tampa. Joe Raedle/Getty Images hide caption

itoggle caption Joe Raedle/Getty Images