J.P. Morgan sinks banks in preopen trade By: MarketWatch May 11, 2012 at 09:11 AM EDT U.S. bank stocks are poised to open broadly lower as reverberations from J.P. Morgan’s surprise loss on derivatives rattle markets around the world. Read More >> Related Stocks: Bank of America Citigroup Goldman Sachs Group JPMorgan Chase & Co Morgan Stanley PNC Financial Services U.S. Bancorp Wells Fargo