Thoratec Corporation ( THOR) pushed the Health Services industry lower today making it today's featured Health Services loser. The industry as a whole closed the day up 1.1%. By the end of trading, Thoratec Corporation fell $1.02 (-3.4%) to $29.44 on heavy volume. Throughout the day, two million shares of Thoratec Corporation exchanged hands as compared to its average daily volume of 770,800 shares. The stock ranged in price between $29.05-$30.90 after having opened the day at $30.88 as compared to the previous trading day's close of $30.46. Other company's within the Health Services industry that declined today were: Hansen Medical Inc ( HNSN), down 27.1%, DexCom Inc ( DXCM), down 19.7%, NxStage Medical Incorporated ( NXTM), down 11.8%, and Symmetry Medical Inc ( SMA), down 8.3%.

Thoratec Corporation develops, manufactures, and markets proprietary medical devices used for circulatory support. Thoratec Corporation has a market cap of $2.1 billion and is part of the health care sector. The company has a P/E ratio of 28.6, below the average health services industry P/E ratio of 33.5 and above the S&P 500 P/E ratio of 17.7. Shares are up 7.6% year to date as of the close of trading on Wednesday.

On the positive front, SonoSite Inc ( SONO), up 29.8%, Abiomed Inc ( ABMD), up 22.7%, BG Medicine Inc ( BGMD), up 13.2%, and Rockwell Medical Technology Inc ( RMTI), up 10.3%, were all gainers within the health services industry with Covidien ( COV) being today's featured health services industry winner.

For investors not wanting singular stock exposure, ETFs may be of interest. Investors who are bullish on the health services industry could consider Health Care Select Sector SPDR ( XLV) while those bearish on the health services industry could consider ProShares Ultra Short Health Care ( RXD).