The utilities sector closed the day down 0.9%. Beacon Power ( BCON), Companhia Paranaense De Energia ( ELP), Niska Gas Storage Partners ( NKA), and American DG Energy Inc ( ADGE) were all decliners today within the utilities sector with AES Corporation ( AES) being today's featured utilities loser. AES Corporation fell 25 cents (-2.4%) to $10.26 on light volume. Throughout the day, 4.2 million shares of AES Corporation exchanged hands as compared to its average daily volume of 7.9 million shares. The AES Corporation, through its subsidiaries, operates as a power company in Latin America, Africa, North America, Europe, the Middle East, and Asia. The company owns and operates two businesses, Generation and Utilities. AES Corporation has a market cap of $8.1 billion and is part of the utilities industry. Shares are down 13.7% year to date as of the close of trading on Friday. TheStreet Ratings rates The AES as a hold. The company's strengths can be seen in multiple areas, such as its revenue growth, increase in net income and growth in earnings per share. However, as a counter to these strengths, we also find weaknesses including a generally disappointing performance in the stock itself, disappointing return on equity and poor profit margins.