NEW YORK ( TheStreet) -- Almaden Minerals (AMEX: AAU) is trading at unusually high volume Tuesday with 2.5 million shares changing hands. It is currently at four times its average daily volume and trading down 44 cents (-11.4%) at $3.43 as of 1:35 p.m. ET. Almaden has a market cap of $222.9 million and is part of the basic materials sector and metals & mining industry. Shares are down 15.6% year to date as of the close of trading on Monday. Almaden Minerals Ltd., an exploration stage company, engages in the acquisition, exploration, and development of mineral properties in Canada, the United States, and Mexico. TheStreet Ratings rates Almaden 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 and feeble growth in its earnings per share. You can view the full Almaden 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.