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 up today with the Dow Jones Industrial Average ( ^DJI) trading down 30 points (-0.2%) at 15,089 as of Monday, May 13, 2013, 12:50 PM ET. The NYSE advances/declines ratio sits at 1,245 issues advancing vs. 1,704 declining with 112 unchanged. The Services sector currently is unchanged today versus the S&P 500, which is unchanged. On the negative front, top decliners within the sector include Gap ( GPS), down 1.95, CH Robinson Worldwide ( CHRW), down 1.98, AutoZone ( AZO), down 1.63, Delta Air Lines ( DAL), down 1.52 and Southwest Airlines ( LUV), down 1.29. Top gainers within the sector include Liberty Media Corporation ( LMCA), up 12.0%, Kansas City Southern ( KSU), up 1.7%, Charter Communications ( CHTR), up 1.4%, Western Union Company ( WU), up 1.6% and Nordstrom ( JWN), up 1.2%. TheStreet Ratings group would like to highlight 5 stocks pushing the sector lower today: 5. DISH Network ( DISH) is one of the companies pushing the Services sector lower today. As of noon trading, DISH Network is down $0.71 (-1.8%) to $38.48 on average volume Thus far, 1.5 million shares of DISH Network exchanged hands as compared to its average daily volume of 3.3 million shares. The stock has ranged in price between $38.26-$39.44 after having opened the day at $39.00 as compared to the previous trading day's close of $39.19. DISH Network Corporation, together with its subsidiaries, offers direct broadcast satellite subscription television services in the United States. DISH Network has a market cap of $8.3 billion and is part of the media industry. The company has a P/E ratio of 35.9, above the S&P 500 P/E ratio of 17.7. Shares are up 6.6% year to date as of the close of trading on Friday. TheStreet Ratings rates DISH Network as a buy. The company's strengths can be seen in multiple areas, such as its notable return on equity, solid stock price performance and expanding profit margins. We feel these strengths outweigh the fact that the company has had sub par growth in net income. Get the full DISH Network Ratings Report now. Exclusive Offer: Jim Cramer's 'go-to' small/mid-cap guru Bryan Ashenberg only buys stocks he thinks could return 50-100%. See his top picks for 14-days FREE.