Editor's Note: Any reference to TheStreet Ratings and its underlying recommendation does not reflect the opinion of TheStreet, Inc. or any of its contributors including Jim Cramer or Stephanie Link. All three major indices are trading up today with the Dow Jones Industrial Average ( ^DJI) trading up 30 points (0.2%) at 16,949 as of Wednesday, Aug. 20, 2014, 12:55 PM ET. The NYSE advances/declines ratio sits at 1,346 issues advancing vs. 1,589 declining with 185 unchanged. The Health Services industry currently sits down 0.4% versus the S&P 500, which is up 0.1%. On the negative front, top decliners within the industry include Intuitive Surgical ( ISRG), down 1.1%, Waters ( WAT), down 1.0%, Agilent Technologies ( A), down 0.8%, Abbott Laboratories ( ABT), down 0.8% and WellPoint ( WLP), down 0.7%. A company within the industry that increased today was Express Scripts ( ESRX), up 0.6%. TheStreet would like to highlight 3 stocks pushing the industry lower today: 3. Varian Medical Systems ( VAR) is one of the companies pushing the Health Services industry lower today. As of noon trading, Varian Medical Systems is down $0.83 (-1.0%) to $83.86 on average volume. Thus far, 306,090 shares of Varian Medical Systems exchanged hands as compared to its average daily volume of 573,700 shares. The stock has ranged in price between $83.42-$84.66 after having opened the day at $84.39 as compared to the previous trading day's close of $84.69. Varian Medical Systems, Inc. designs, manufactures, sells, and services medical devices and software for treating cancer and other medical conditions with radiotherapy, radiosurgery, proton therapy, and brachytherapy worldwide. Varian Medical Systems has a market cap of $8.8 billion and is part of the health care sector. Shares are up 9.0% year-to-date as of the close of trading on Tuesday. Currently there are 6 analysts that rate Varian Medical Systems a buy, 1 analyst rates it a sell, and none 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, expanding profit margins, increase in stock price during the past year and notable return on equity. We feel these strengths outweigh the fact that the company shows weak operating cash flow. Get the full Varian Medical Systems Ratings Report now. STOCKS TO BUY: TheStreet Quant Ratings has identified a handful of stocks that can potentially TRIPLE in the next 12 months. Learn more.