Pedestrians pass the headquarters of Standard Chartered Plc in London, U.K., on Tuesday, Aug. 7, 2012. Standard Chartered Plc fell the most in at least 24 years as an analyst estimated it may face costs of $5.5 billion after the lender was accused of violating U.S. money laundering laws relating to its dealings with Iranian banks. Photographer: Simon Dawson/Bloomberg via Getty Images