NEW YORK ( TheStreet) -- Star Scientific (Nasdaq: CIGX) is trading at unusually high volume Friday with 3.9 million shares changing hands. It is currently at four times its average daily volume and trading down 21 cents (-7.1%) at $2.75 as of 11:10 a.m. ET. Star Scientific has a market cap of $298.5 million and is part of the consumer goods sector and tobacco industry. Shares are up 35.8% year to date as of the close of trading on Thursday. Star Scientific, Inc., together with its subsidiaries, engages in the development, implementation, and licensing of tobacco curing technology that prevents the formation of carcinogenic toxins present in tobacco and tobacco smoke, primarily the tobacco-specific nitrosamines (TSNA). TheStreet Ratings rates Star Scientific as a sell. The company's weaknesses can be seen in multiple areas, such as its unimpressive growth in net income and feeble growth in its earnings per share. You can view the full Star Scientific 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.