shares of american express co axp slumped 038 to 17381 thursday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 122 to 442584 and the dow jones industrial average djia rising 126 to 3440806 this was the stocks second consecutive day of losses american express co closed 834 short of its 52week high 18215 which the company achieved on february 14th the stock underperformed when compared to some of its competitors thursday as jpmorgan chase  co jpm rose 113 to 14309 visa inc cl a v rose 122 to 22617 and bank of america corp bac rose 086 to 2937 trading volume 28 m remained 284760 below its 50day average volume of 31 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