shares of nrg energy inc nrg rallied 281 to 3800 wednesday on what proved to be an allaround great trading session for the stock market with the sp 500 index spx rising 024 to 456572 and the dow jones industrial average djia rising 031 to 3506121 this was the stocks second consecutive day of gains nrg energy inc closed 780 below its 52week high 4580 which the company reached on november 14th the stock outperformed some of its competitors wednesday as duke energy corp duk rose 081 to 9165 exelon corp exc rose 056 to 4151 and sempra sre rose 101 to 14653 trading volume 44 m remained 12 million below its 50day average volume of 56 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