shares of jpmorgan chase  co jpm slipped 472 to 12826 wednesday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 070 to 389193 and dow jones industrial average djia falling 087 to 3187457 jpmorgan chase  co closed 1608 below its 52week high 14434 which the company achieved on february 7th