shares of nrg energy inc nrg shed 059 to 3355 monday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 130 to 401777 and dow jones industrial average djia falling 077 to 3371709 the stocks fall snapped a sixday winning streak nrg energy inc closed 1427 short of its 52week high 4782 which the company reached on may 26th the stock underperformed when compared to some of its competitors monday as duke energy corp duk rose 006 to 10164 exelon corp exc rose 014 to 4175 and sempra sre fell 036 to 16124 trading volume 33 m remained 856255 below its 50day average volume of 41 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