shares of exelon corp exc sank 051 to 4316 tuesday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 020 to 399097 and dow jones industrial average djia falling 114 to 3391085 exelon corp closed 755 short of its 52week high 5071 which the company achieved on april 21st the stock demonstrated a mixed performance when compared to some of its competitors tuesday as nextera energy inc nee rose 125 to 8574 duke energy corp duk fell 072 to 10422 and southern co so fell 038 to 7005 trading volume 46 m remained 33 million below its 50day average volume of 79 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