Key takeaways from the FinCen Files

Britain-based HSBC Holdings PLCand Standard Chartered PLCfell to 25-year lows, while U.S. banks JPMorgan Chase & Coand Bank of New York Mellon Corpwere down 4.1% and 4.7%, respectively.The investigative series is named after the U.S. Department of Treasury's Financial Crimes Enforcement Network, or FinCEN, which receives alerts from banks and other financial firms about transactions that appear to be questionable.Financial institutions filed SARs for more than $2 trillion worth of transactio