Editor's Note: TheStreet ratings do not represent the views of TheStreet's staff or its contributors. Ratings are established by computer based on metrics for performance (which includes growth, stock performance, efficiency and valuation) and risk (volatility and solvency). Companies with poor cash flow or high debt levels tend to earn lower ratings in our model.

Varian Medical Systems ( VAR) pushed the Health Care sector higher today making it today's featured health care winner. The sector as a whole closed the day down 0.1%. By the end of trading, Varian Medical Systems rose 93 cents (1.6%) to $59.91 on average volume. Throughout the day, 1.1 million shares of Varian Medical Systems exchanged hands as compared to its average daily volume of 1.2 million shares. The stock ranged in a price between $58.70-$60.07 after having opened the day at $58.85 as compared to the previous trading day's close of $58.98. Other companies within the Health Care sector that increased today were: Rosetta Genomics ( ROSG), up 23.4%, Coventry Health Care ( CVH), up 20.3%, Cormedix ( CRMD), up 19.8%, and Repros Therapeutics ( RPRX), up 15.2%.

Varian Medical Systems, Inc. designs, manufactures, sells, and services equipment and software products for treating cancer with radiotherapy, stereotactic radiotherapy, stereotactic body radiotherapy, stereotactic radiosurgery, and brachytherapy worldwide. Varian Medical Systems has a market cap of $6.27 billion and is part of the health services industry. The company has a P/E ratio of 16.3, above the average health services industry P/E ratio of 15.9 and below the S&P 500 P/E ratio of 17.7. Shares are down 12.1% year to date as of the close of trading on Friday. Currently there are seven analysts that rate Varian Medical Systems a buy, no analysts rate it a sell, and three rate it a hold.

TheStreet Ratings rates Varian Medical Systems as a buy. The company's strengths can be seen in multiple areas, such as its revenue growth, largely solid financial position with reasonable debt levels by most measures, notable return on equity, growth in earnings per share and increase in net income. Although the company may harbor some minor weaknesses, we feel they are unlikely to have a significant impact on results.

On the negative front, Palatin Technologies ( PTN), down 12.6%, Retractable Technologies ( RVP), down 10.3%, BG Medicine ( BGMD), down 10%, and Aastrom Biosciences ( ASTM), down 8.8%, were all laggards within the health care sector with Regeneron Pharmaceuticals ( REGN) being today's health care sector laggard.

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

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