shares of ameren corp aee shed 162 to 8829 tuesday on what proved to be an allaround mixed trading session for the stock market with the sp 500 index spx rising 009 to 415487 and the dow jones industrial average djia falling 003 to 3397663 ameren corp closed 1091 short of its 52week high 9920 which the company achieved on april 21st the stock underperformed when compared to some of its competitors tuesday as southern co so rose 033 to 7258 exelon corp exc rose 042 to 4285 and xcel energy inc xel fell 080 to 6976 trading volume 12 m remained 154017 below its 50day average volume of 13 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