shares of nrg energy inc nrg inched 028 higher to 3584 wednesday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 059 to 395990 and the dow jones industrial average djia rising 015 to 3187484 this was the stocks second consecutive day of gains nrg energy inc closed 1198 short of its 52week high 4782 which the company reached on may 26th the stock outperformed some of its competitors wednesday as nextera energy inc nee fell 077