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 down today with the Dow Jones Industrial Average ( ^DJI) trading down 44 points (-0.3%) at 15,515 as of Monday, July 29, 2013, 12:50 PM ET. The NYSE advances/declines ratio sits at 829 issues advancing vs. 2,095 declining with 99 unchanged. The Health Care sector currently sits down 0.2% versus the S&P 500, which is down 0.4%. Top gainers within the sector include Alkermes ( ALKS), up 5.3%, Shire ( SHPG), up 1.2% and WellPoint ( WLP), up 1.2%. On the negative front, top decliners within the sector include Haemonetics Corporation ( HAE), down 8.7%, Perrigo Company ( PRGO), down 6.7%, Dr. Reddy Laboratories ( RDY), down 3.3%, Alexion Pharmaceuticals ( ALXN), down 2.6% and Teva Pharmaceutical Industries ( TEVA), down 2.3%. TheStreet would like to highlight 3 stocks pushing the sector higher today: 3. Intuitive Surgical ( ISRG) is one of the companies pushing the Health Care sector higher today. As of noon trading, Intuitive Surgical is up $7.41 (1.9%) to $389.70 on heavy volume. Thus far, 898,239 shares of Intuitive Surgical exchanged hands as compared to its average daily volume of 529,800 shares. The stock has ranged in price between $386.19-$401.00 after having opened the day at $397.30 as compared to the previous trading day's close of $382.29. Intuitive Surgical, Inc. designs, manufactures, and markets da Vinci surgical systems, and related instruments and accessories. Intuitive Surgical has a market cap of $14.9 billion and is part of the health services industry. Shares are down 23.5% year to date as of the close of trading on Friday. Currently there are 8 analysts that rate Intuitive Surgical a buy, 2 analysts rate it a sell, and 5 rate it a hold. TheStreet Ratings rates Intuitive Surgical 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, increase in net income and expanding profit margins. We feel these strengths outweigh the fact that the company has had lackluster performance in the stock itself. Get the full Intuitive Surgical Ratings Report now. 3x UPSIDE POTENTIAL: TheStreet Quant Ratings has identified a handful of stocks that can potentially TRIPLE in the next 12-months. Learn more.