A Docklands Light Railway (DLR) passenger train approaches a station near the offices of JPMorgan Chase & Co., left, in the Canary Wharf business and shopping district in London, U.K., on Monday, Aug. 12, 2013. The U.S. may announce charges as early as this week against former London-based JPMorgan employees related to allegations they tried to conceal losses last year, a person familiar with the matter said. Photographer: Simon Dawson/Bloomberg via Getty Images