NEW YORK ( TheStreet) -- E-Commerce China Dangdang (NYSE: DANG) is trading at unusually high volume Tuesday with 9.7 million shares changing hands. It is currently at four times its average daily volume and trading down 87 cents (-8.1%) at $9.83 as of 1:45 p.m. ET. E-Commerce China Dangdang has a market cap of $545.4 million and is part of the services sector and retail industry. Shares are up 143.2% year to date as of the close of trading on Monday. E-Commerce China Dangdang Inc. operates as a business-to-consumer e-commerce company in the People's Republic of China. It engages in the sales of Chinese and foreign language books, and music CDs, VCDs, and DVDs through its Website dangdang.com. TheStreet Ratings rates E-Commerce China Dangdang as a sell. The company's weaknesses can be seen in multiple areas, such as its feeble growth in its earnings per share, deteriorating net income and poor profit margins. You can view the full E-Commerce China Dangdang 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.