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 60 points (0.4%) at 15,029 as of Tuesday, May 7, 2013, 12:54 PM ET. The NYSE advances/declines ratio sits at 1,907 issues advancing vs. 994 declining with 159 unchanged. The Services sector currently sits up 0.3% versus the S&P 500, which is up 0.3%. On the negative front, top decliners within the sector include Chipotle Mexican Grill ( CMG), down 2.96, Netflix ( NFLX), down 1.32, Melco Crown Entertainment ( MPEL), down 1.41, Lowe's Companies ( LOW), down 0.96 and Starbucks Corporation ( SBUX), down 0.63. Top gainers within the sector include Mercadolibre ( MELI), up 17.6%, Liberty Media Corporation ( LMCA), up 8.9%, Abercrombie & Fitch Company ( ANF), up 5.3%, Vantiv ( VNTV), up 5.1% and Charter Communications ( CHTR), up 3.6%. TheStreet Ratings group would like to highlight 4 stocks pushing the sector lower today: 4. Ryanair Holdings ( RYAAY) is one of the companies pushing the Services sector lower today. As of noon trading, Ryanair Holdings is down $0.42 (-0.9%) to $44.50 on light volume Thus far, 88,357 shares of Ryanair Holdings exchanged hands as compared to its average daily volume of 314,800 shares. The stock has ranged in price between $44.33-$45.18 after having opened the day at $44.93 as compared to the previous trading day's close of $44.92. Ryanair Holdings plc, together with its subsidiaries, provides scheduled-passenger airline services in Ireland, the United Kingdom, continental Europe, and Morocco. Ryanair Holdings has a market cap of $13.0 billion and is part of the transportation industry. The company has a P/E ratio of 17.8, equal to the S&P 500 P/E ratio of 17.7. Shares are up 31.0% year to date as of the close of trading on Monday. TheStreet Ratings rates Ryanair Holdings as a buy. The company's strengths can be seen in multiple areas, such as its revenue growth, solid stock price performance, compelling growth in net income, notable return on equity and largely solid financial position with reasonable debt levels by most measures. We feel these strengths outweigh the fact that the company shows weak operating cash flow. Get the full Ryanair Holdings 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.