Pharmasset ( VRUS) pushed the Drugs industry lower today making it today's featured Drugs loser. The industry as a whole was unchanged today. By the end of trading, Pharmasset fell $4.04 (-3.2%) to $123.75 on heavy volume. Throughout the day, 6.1 million shares of Pharmasset exchanged hands as compared to its average daily volume of 2.2 million shares. The stock ranged in price between $122.53-$125.69 after having opened the day at $125.43 as compared to the previous trading day's close of $127.79. Other company's within the Drugs industry that declined today were: StemCells ( STEM), down 40.7%, Aoxing Pharmaceutical Company ( AXN), down 34.2%, Inhibitex ( INHX), down 19.5%, and K-V Pharmaceutical Company ( KV.B), down 17.7%. Pharmasset, Inc., a clinical-stage pharmaceutical company, engages in discovering, developing, and commercializing novel drugs to treat viral infections. Pharmasset has a market cap of $9.68 billion and is part of the health care sector. Shares are up 487.2% year to date as of the close of trading on Thursday. Currently there are six analysts that rate Pharmasset a buy, one analyst rates it a sell, and nine rate it a hold. TheStreet Ratings rates Pharmasset as a sell. The company's weaknesses can be seen in multiple areas, such as its feeble growth in its earnings per share, weak operating cash flow and deteriorating net income.