NEW YORK ( TheStreet) -- Shares of Biosante Pharmaceuticals (Nasdaq: BPAX) were gapping down Friday morning with an open price 13% lower than Thursday's closing price. The stock closed at 46 cents Thursday and opened today's trading at 40 cents. The average volume for Biosante has been 2.7 million shares per day over the past 30 days. Biosante has a market cap of $54.4 million and is part of the health care sector and drugs industry. Shares are down 9.4% year to date as of the close of trading on Thursday. BioSante Pharmaceuticals, Inc., a specialty pharmaceutical company, focuses on the development of various products for female sexual health and oncology. TheStreet Ratings rates Biosante as a sell. Among the areas we feel are negative, one of the most important has been a generally disappointing historical performance in the stock itself. You can view the full Biosante Ratings Report. Get more investment ideas from our investment research center.