NEW YORK ( TheStreet) -- Shares of Infinity Pharmaceuticals (Nasdaq: INFI) were gapping down Friday morning with an open price 38.8% lower than Thursday's closing price. The stock closed at $9.95 Thursday and opened today's trading at $6.09. The average volume for Infinity has been 62,100 shares per day over the past 30 days. Infinity has a market cap of $264.9 million and is part of the health care sector and drugs industry. Shares are up 12.6% year to date as of the close of trading on Thursday. Infinity Pharmaceuticals, Inc. engages in the discovery and development of medicines for difficult-to-treat diseases. Its lead product candidate includes IPI-926, an oral molecule with the potential to treat a range of cancers by disrupting malignant activation of the Hedgehog pathway. TheStreet Ratings rates Infinity as a sell. Among the areas we feel are negative, one of the most important has been an overall disappointing return on equity. You can view the full Infinity 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.