shares of atmos energy corp ato slid 073 to 8758 monday on what proved to be an allaround mixed trading session for the stock market with the dow jones industrial average djia rising 021 to 3486937 and the sp 500 index spx falling 028 to 444311 atmos energy corp closed 1741 below its 52week high 10499 which the company achieved on april 21st the stock underperformed when compared to some of its competitors monday as oneok inc oke rose 249 to 5890 centerpoint energy inc cnp rose 004 to 2542 and nisource inc ni fell 054 to 2388 trading volume 743734 eclipsed its 50day average volume of 655686 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