In the latest market close, NRG Energy (NRG) reached $76.61, with a -0.31% movement compared to the previous day. This move lagged the S&P 500's daily loss of 0.16%. At the same time, the Dow lost 0.14%, and the tech-heavy Nasdaq lost 0.06%.The power company's shares have seen a decrease of 5.77% over the last month, not keeping up with the Utilities sector's gain of 0.93% and the S&P 500's gain of 1.96%.The investment community will be paying close attention to the earnings performance of NRG Energy in its ...