This article was automatically generated by Dow Jones using technology from Automated Insights.

Shares of NRG Energy Inc. slipped 3.4% to $97.00 on what proved to be an all-around grim trading session for the stock market, with the S&P 500 Index falling 0.8% to 7,683.69 and Dow Jones Industrial Average falling 0.7% to 51,481.51.

NRG Energy Inc. closed 48.9% short of its 52-week high of $189.96, which the company reached on February 25th.

The stock underperformed when compared to some of its peers, as Duke Energy Corp. rose 0.1% to $113.41, Exelon Corp. remained unchanged, and Sempra fell 1.33% to $76.89.

Trading volume totaled 2.8 million, compared to the 50-day average of 2.9 million.

Data source: Dow Jones Market Data, FactSet