shares of nrg energy inc nrg inched 032 higher to 3405 tuesday on what proved to be an allaround mixed trading session for the stock market with the sp 500 index spx remaining mostly unchanged at 420552 and the dow jones industrial average djia falling 015 to 3304278 this was the stocks second consecutive day of gains nrg energy inc closed 1274 short of its 52week high 4679 which the company achieved on may 31st the stock outperformed some of its competitors tuesday as duke energy corp duk fell 078 to 8801 exelon corp exc fell 013 to 3934 and sempra sre fell 006 to 14376 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