shares of ameren corp aee slid 007 to 9001 monday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 010 to 410911 and the dow jones industrial average djia rising 030 to 3358652 the stocks fall snapped a threeday winning streak ameren corp closed 919 below its 52week high 9920 which the company achieved on april 21st the stock demonstrated a mixed performance when compared to some of its competitors monday as southern co so fell 037 to 7204 exelon corp exc rose 046 to 4326 and xcel energy inc xel fell 072 to 7076 trading volume 16 m eclipsed its 50day average volume of 14 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