JPMorgan says ‘mea culpa’ in $13 billion settlement with U.S.Credit: Reuters/Mike Segar/Files 1 of 2. A sign outside the headquarters of JP Morgan Chase & Co in New York, in this September 19, 2013 file photo. The behavior that the largest U.S. bank admitted to, authorities said, is at the heart of what inflated the housing bubble: lenders making bad mortgages and selling them to investors who thought they were safe.