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 153 points (1.0%) at 15,456 as of Tuesday, May 28, 2013, 12:50 PM ET. The NYSE advances/declines ratio sits at 2,106 issues advancing vs. 846 declining with 109 unchanged. The Transportation industry currently sits up 1.3% versus the S&P 500, which is up 0.9%. A company within the industry that increased today was Ryanair Holdings ( RYAAY), up 2.21. TheStreet Ratings group would like to highlight 5 stocks pushing the industry lower today: 5. LATAM Airlines Group S.A ( LFL) is one of the companies pushing the Transportation industry lower today. As of noon trading, LATAM Airlines Group S.A is down $0.23 (-1.2%) to $18.40 on light volume Thus far, 102,370 shares of LATAM Airlines Group S.A exchanged hands as compared to its average daily volume of 436,800 shares. The stock has ranged in price between $18.28-$18.64 after having opened the day at $18.57 as compared to the previous trading day's close of $18.63. LATAM Airlines Group S.A., together with its subsidiaries, provides passenger and cargo air transportation services primarily in South America. LATAM Airlines Group S.A has a market cap of $9.1 billion and is part of the services sector. The company has a P/E ratio of 621.0, above the S&P 500 P/E ratio of 17.7. Shares are down 20.9% year to date as of the close of trading on Friday. TheStreet Ratings rates LATAM Airlines Group S.A as a sell. The company's weaknesses can be seen in multiple areas, such as its poor profit margins, disappointing return on equity, generally disappointing historical performance in the stock itself and feeble growth in its earnings per share. Get the full LATAM Airlines Group S.A 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.