The utilities sector closed the day up 0.1%. GreenHunter Energy Inc ( GRH), TransAlta Corporation ( TAC), Atlantic Power Corporation ( AT), and American DG Energy Inc ( ADGE) were all decliners today within the utilities sector with GenOn Energy Inc ( GEN) being today's featured utilities loser. GenOn Energy Inc fell 16 cents (-5.6%) to $2.69 on average volume. Throughout the day, 11.8 million shares of GenOn Energy Inc exchanged hands as compared to its average daily volume of 10 million shares. GenOn Energy, Inc., together with its subsidiaries, provides energy, capacity, ancillary, and other energy services to wholesale customers in the energy market in the United States. GenOn Energy Inc has a market cap of $2.2 billion and is part of the utilities industry. Shares are down 25.2% year to date as of the close of trading on Wednesday. TheStreet Ratings rates GenOn Energy as a sell. The company's weaknesses can be seen in multiple areas, such as its disappointing return on equity, weak operating cash flow, poor profit margins, generally disappointing historical performance in the stock itself and feeble growth in its earnings per share.