Optimer Pharmaceuticals Inc ( OPTR) pushed the Health Care sector higher today making it today's featured health care winner. The sector as a whole closed the day down 2.5%. By the end of trading, Optimer Pharmaceuticals Inc rose 39 cents (3.8%) to $10.60 on light volume. Throughout the day, 817,168 shares of Optimer Pharmaceuticals Inc exchanged hands as compared to its average daily volume of 1.4 million shares. The stock ranged in a price between $10.07-$10.90 after having opened the day at $10.17 as compared to the previous trading day's close of $10.21. Other companies within the Health Care sector that increased today were: Transcept Pharmaceuticals Inc ( TSPT), up 11%, Cormedix Inc ( CRMD), up 9.6%, China Cord Blood Corporation ( CO), up 9.4%, and Inhibitex Inc ( INHX), up 9.2%. Optimer Pharmaceuticals, Inc., a biopharmaceutical company, focuses on discovering, developing, and commercializing hospital specialty products worldwide. It develops products that treat gastrointestinal infections and related diseases. Optimer Pharmaceuticals Inc has a market cap of $485.6 million and is part of the drugs industry. Shares are down 9.7% year to date as of the close of trading on Tuesday. TheStreet Ratings rates Optimer as a sell. The company's weaknesses can be seen in multiple areas, such as its unimpressive growth in net income and weak operating cash flow.