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 All three major indices are trading up today with the Dow Jones Industrial Average ( ^DJI) trading up 47 points (0.3%) at 15,382 as of Tuesday, May 21, 2013, 12:50 PM ET. The NYSE advances/declines ratio sits at 1,570 issues advancing vs. 1,367 declining with 136 unchanged. The Transportation industry currently sits up 1.1% versus the S&P 500, which is up 0.2%. A company within the industry that fell today was United Continental Holdings ( UAL), up 2.31. A company within the industry that increased today was FedEx Corporation ( FDX), up 1.18. TheStreet Ratings group would like to highlight 5 stocks pushing the industry lower today: 5. Ryanair Holdings ( RYAAY) is one of the companies pushing the Transportation industry lower today. As of noon trading, Ryanair Holdings is down $0.39 (-0.8%) to $46.80 on average volume Thus far, 126,629 shares of Ryanair Holdings exchanged hands as compared to its average daily volume of 292,600 shares. The stock has ranged in price between $46.80-$47.51 after having opened the day at $47.51 as compared to the previous trading day's close of $47.19. 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 $12.9 billion and is part of the services sector. The company has a P/E ratio of 17.7, equal to the S&P 500 P/E ratio of 17.7. Shares are up 30.7% 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.