FILE PHOTO: A sign stands in front of the JPMorgan

FILE PHOTO: A sign stands in front of the JPMorgan Chase & Co bank headquarters building in New York, March 15, 2013. A former JPMorgan Chase & Co executive in charge of the unit that made the disastrous “London Whale” trades that became public last year, told lawmakers on Friday that she does not bear personal responsibility for the $6 billion in losses. REUTERS/Lucas Jackson/File Photo