shares of cms energy corp cms sank 097 to 5806 wednesday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 073 to 411524 and dow jones industrial average djia falling 077 to 3279992 this was the stocks second consecutive day of losses cms energy corp closed 1391 short of its 52week high 7197 which the company reached on june 7th the stock underperformed when compared to some of its competitors wednesday as duke energy corp duk fell 065 to 9016 southern co so fell 042 to 7085 and exelon corp exc fell 072 to 4015 trading volume 21 m remained 80669 below its 50day average volume of 22 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