NEW YORK ( TheStreet) -- Shares of Agenus (Nasdaq: AGEN) were gapping down Friday morning with an open price 11.5% lower than Thursday's closing price. The stock closed at $2.96 Thursday and opened today's trading at $2.62. The average volume for Agenus has been 352,100 shares per day over the past 30 days. Agenus has a market cap of $53.6 million and is part of the health care sector and drugs industry. Shares are unchanged year to date as of the close of trading on Thursday. Agenus Inc., a biotechnology company, develops and commercializes immunotherapies for cancer and infectious diseases. It markets Oncophage vaccine for the treatment of adjuvant renal cell carcinoma (kidney cancer). TheStreet Ratings rates Agenus as a sell. The company's weaknesses can be seen in multiple areas, such as its unimpressive growth in net income, weak operating cash flow and generally disappointing historical performance in the stock itself. You can view the full Agenus 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.