shares of nrg energy inc nrg shed 234 to 4300 thursday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 016 to 447375 and dow jones industrial average djia falling 018 to 3475132 nrg energy inc closed 310 short of its 52week high 4610 which the company achieved on august 26th the stock underperformed when compared to some of its competitors thursday as nextera energy inc nee fell 072 to 8400 duke energy corp duk fell 061 to 10141 and southern co so fell 095 to 6538 trading volume 22 m eclipsed its 50day average volume of 20 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