NEW YORK ( TheStreet) -- Endeavour International (NYSE: END) is trading at unusually high volume Friday with 2.6 million shares changing hands. It is currently at four times its average daily volume and trading down 39 cents (-3.9%) at $9.60 as of 3:25 p.m. ET. Endeavour International has a market cap of $222 million and is part of the basic materials sector and energy industry. Shares are down 32.6% year to date as of the close of trading on Thursday. Endeavour International Corporation, an independent oil and gas company, engages in the acquisition, development, exploration, and production of crude oil and natural gas. TheStreet Ratings rates Endeavour International as a sell. The company's weaknesses can be seen in multiple areas, such as its deteriorating net income, disappointing return on equity, weak operating cash flow, generally weak debt management and generally disappointing historical performance in the stock itself. You can view the full Endeavour International Ratings Report. See all heavy volume stocks in our stocks moving on unusual volume list or get investment ideas from our investment research center.