NEW YORK ( TheStreet) -- Dynegy (NYSE: DYN) is trading at unusually high volume Friday with 8.7 million shares changing hands. It is currently at 4.5 times its average daily volume and trading down 55 cents (-47%) at 63 cents as of 1:20 p.m. ET. Dynegy has a market cap of $258.9 million and is part of the utilities sector and utilities industry. Shares are down 57.4% year to date as of the close of trading on Thursday. Dynegy Inc., through its subsidiaries, engages in the production and sale of electric energy, capacity, and ancillary services in the United States. TheStreet Ratings rates Dynegy as a sell. The company's weaknesses can be seen in multiple areas, such as its deteriorating net income, generally weak debt management, disappointing return on equity, poor profit margins and weak operating cash flow. You can view the full Dynegy Ratings Report. See all heavy volume stocks in our stocks moving on unusual volume list or get investment ideas from our investment research center. Interested in other stocks that are falling on unusually high volume? Get free SMS text alerts sent to you when the action happens by texting HVDOWN to 95370 or select from multiple alert options.