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 One out of the three major indices are trading lower today with the Dow Jones Industrial Average ( ^DJI) trading up 13 points (0.1%) at 15,338 as of Friday, May 31, 2013, 12:50 PM ET. The NYSE advances/declines ratio sits at 963 issues advancing vs. 1,995 declining with 88 unchanged. The Health Services industry currently sits up 0.1% versus the S&P 500, which is down 0.09. A company within the industry that increased today was Hologic ( HOLX), up 1.48. On the negative front, top decliners within the industry include Humana ( HUM), down 2.44, ResMed ( RMD), down 1.89, Aetna ( AET), down 1.57, Fresenius Medical Care AG & Co. KGaA ( FMS), down 1.40 and WellPoint ( WLP), down 1.20. TheStreet Ratings group would like to highlight 5 stocks pushing the industry higher today: 5. Community Health Systems ( CYH) is one of the companies pushing the Health Services industry higher today. As of noon trading, Community Health Systems is up $2.21 (4.74) to $48.83 on heavy volume Thus far, 1.5 million shares of Community Health Systems exchanged hands as compared to its average daily volume of 1.2 million shares. The stock has ranged in price between $46.34-$49.79 after having opened the day at $46.50 as compared to the previous trading day's close of $46.62. Community Health Systems, Inc., together with its subsidiaries, provides general and specialized hospital healthcare services to patients in the United States. Community Health Systems has a market cap of $4.2 billion and is part of the health care sector. The company has a P/E ratio of 14.9, below the S&P 500 P/E ratio of 17.7. Shares are up 44.3% year to date as of the close of trading on Thursday. Currently there are 9 analysts that rate Community Health Systems a buy, no analysts rate it a sell, and 7 rate it a hold. TheStreet Ratings rates Community Health Systems as a buy. The company's strengths can be seen in multiple areas, such as its solid stock price performance, increase in net income, revenue growth, attractive valuation levels and growth in earnings per share. We feel these strengths outweigh the fact that the company has had somewhat disappointing return on equity. Get the full Community Health Systems 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.