shares of atmos energy corp ato slumped 033 to 9500 wednesday on what proved to be an allaround mixed trading session for the stock market with the sp 500 index spx rising 023 to 470146 and the dow jones industrial average djia falling 003 to 3580438 this was the stocks second consecutive day of losses atmos energy corp closed 999 short of its 52week high 10499 which the company reached on april 21st the stock underperformed when compared to some of its competitors wednesday as oneok inc oke rose 125 to 6481 centerpoint energy inc cnp rose 060 to 2677 and nisource inc ni fell 027 to 2547 trading volume 10 m eclipsed its 50day average volume of 822018 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