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 Two out of the three major indices are trading up today with the Dow Jones Industrial Average ( ^DJI) trading up 1 points (0.0%) at 15,277 as of Thursday, May 16, 2013, 12:50 PM ET. The NYSE advances/declines ratio sits at 1,398 issues advancing vs. 1,509 declining with 138 unchanged. The Services sector currently sits up 0.2% versus the S&P 500, which is down 0.10. Top gainers within the sector include Canadian Pacific Railway ( CP), up 1.9%, and Priceline.com ( PCLN), up 0.4%. On the negative front, top decliners within the sector include Computer Sciences Corporation ( CSC), down 3.94, Netflix ( NFLX), down 2.91, Wal-Mart Stores ( WMT), down 2.25, CVS Caremark ( CVS), down 1.28 and Walgreen Company ( WAG), down 1.22. TheStreet Ratings group would like to highlight 3 stocks pushing the sector higher today: 3. Liberty Media Corporation ( LMCA) is one of the companies pushing the Services sector higher today. As of noon trading, Liberty Media Corporation is up $15.98 (14.55) to $125.81 on average volume Thus far, 230,219 shares of Liberty Media Corporation exchanged hands as compared to its average daily volume of 396,600 shares. The stock has ranged in price between $125.52-$130.15 after having opened the day at $128.55 as compared to the previous trading day's close of $109.83. Liberty Media Corporation, through its subsidiaries, engages in media, communications, and entertainment businesses primarily in North America. Liberty Media Corporation has a market cap of $13.8 billion and is part of the media industry. The company has a P/E ratio of 1.6, below the S&P 500 P/E ratio of 17.7. Shares are up 7.5% year to date as of the close of trading on Wednesday. Currently there are 3 analysts that rate Liberty Media Corporation a buy, no analysts rate it a sell, and 1 rates it a hold. TheStreet Ratings rates Liberty Media Corporation as a buy. The company's strengths can be seen in multiple areas, such as its compelling growth in net income, revenue growth, largely solid financial position with reasonable debt levels by most measures, notable return on equity and solid stock price performance. We feel these strengths outweigh the fact that the company shows weak operating cash flow. Get the full Liberty Media Corporation 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.