shares of nrg energy inc nrg slumped 013 to 3881 wednesday on what proved to be an allaround great trading session for the stock market with the sp 500 index spx rising 031 to 470121 and the dow jones industrial average djia rising 010 to 3575475 the stocks fall snapped a fourday winning streak nrg energy inc closed 729 below its 52week high 4610 which the company reached on august 26th the stock demonstrated a mixed performance when compared to some of its competitors wednesday as nextera energy inc nee fell 010 to 9032 duke energy corp duk fell 032 to 10085 and southern co so rose 043 to 6475 trading volume 21 m remained 210912 below its 50day average volume of 23 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