NEW YORK ( TheStreet) -- Denison Mines Corporation (AMEX: DNN) is trading at unusually high volume Tuesday with 12.4 million shares changing hands. It is currently at four times its average daily volume and trading down 20 cents (-8%) at $2.35 as of 2:26 p.m. ET. Denison Mines has a market cap of $1.1 billion and is part of the basic materials sector and metals & mining industry. Shares are down 25.4% year to date as of the close of trading on Monday. Denison Mines Corp. engages in the exploration, development, mining, and milling of uranium primarily in the United States and Canada. It also produces vanadium as a co-product from its mines located in Colorado and Utah; and recycles uranium-bearing waste materials, as well as gold. TheStreet Ratings rates Denison Mines as hold. The company's strengths can be seen in multiple areas, such as its robust revenue growth, largely solid financial position with reasonable debt levels by most measures and solid stock price performance. However, as a counter to these strengths, we find that the growth in the company's earnings per share has not been good. You can view the full Denison Mines 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.