NEW YORK ( TheStreet) -- Shares of Inhibitex (Nasdaq: INHX) were gapping down Friday morning with an open price 31.9% lower than Thursday's closing price. The stock closed at $12.99 Thursday and opened today's trading at $8.85. The average volume for Inhibitex has been 2.4 million shares per day over the past 30 days. Inhibitex has a market cap of $1.06 billion and is part of the health care sector and drugs industry. Shares are up 399.6% year to date as of the close of trading on Thursday. Inhibitex, Inc., a biopharmaceutical company, focuses on the development of differentiated anti-infective products to prevent or treat serious infections. It primarily focuses to treat shingles caused by the varicella zoster virus and chronic infections caused by hepatitis C virus (HCV). TheStreet Ratings rates Inhibitex as a sell. The area that we feel has been the company's primary weakness has been its deteriorating net income. You can view the full Inhibitex Ratings Report. Get more investment ideas from our investment research center. Interested in other stocks that are gapping down? Get free SMS text alerts sent to you when the action happens by texting DOWN to 95370 or select from multiple alert options.