shares of american express co axp dropped 018 to 17433 wednesday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 074 to 447216 and the dow jones industrial average djia rising 025 to 3434743 american express co closed 782 below its 52week high 18215 which the company reached on february 14th the stock underperformed when compared to some of its competitors wednesday as jpmorgan chase  co jpm rose 050 to 14815 visa inc cl a v rose 069 to 24221 and bank of america corp bac rose 117 to 2936 trading volume 23 m remained 619127 below its 50day average volume of 29 m editors note this story was autogenerated by automated insights an automation technology provider using data from dow jones and factset see our market data terms of use