shares of exelon corp exc dropped 058 to 3975 tuesday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 024 to 428385 and the dow jones industrial average djia rising 003 to 3357328 exelon corp closed 948 short of its 52week high 4923 which the company reached on june 8th the stock underperformed when compared to some of its competitors tuesday as nextera energy inc nee fell 029 to 7338 duke energy corp duk fell 045 to 8975 and southern co so fell 046 to 6937 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