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 down today with the Dow Jones Industrial Average ( ^DJI) trading down 87 points (-0.6%) at 14,874 as of Thursday, June 6, 2013, 12:50 PM ET. The NYSE advances/declines ratio sits at 1,317 issues advancing vs. 1,603 declining with 125 unchanged. The Transportation industry currently sits down 0.12 versus the S&P 500, which is down 0.38. On the negative front, top decliners within the industry include LATAM Airlines Group S.A ( LFL), down 2.65, and United Parcel Service Inc (UPS) Class B ( UPS), down 0.28. TheStreet Ratings group would like to highlight 5 stocks pushing the industry lower today: 5. Southwest Airlines ( LUV) is one of the companies pushing the Transportation industry lower today. As of noon trading, Southwest Airlines is down $0.12 (-0.8%) to $13.52 on light volume Thus far, 2.7 million shares of Southwest Airlines exchanged hands as compared to its average daily volume of 7.5 million shares. The stock has ranged in price between $13.40-$13.68 after having opened the day at $13.57 as compared to the previous trading day's close of $13.63. Southwest Airlines Co. operates passenger airlines that provide scheduled air transportation services in the United States. As of December 31, 2012, the company operated 694 aircraft, including 606 Boeing 737 aircraft and 88 Boeing 717 aircraft. Southwest Airlines has a market cap of $10.1 billion and is part of the services sector. The company has a P/E ratio of 27.3, above the S&P 500 P/E ratio of 17.7. Shares are up 33.1% year to date as of the close of trading on Wednesday. Currently there are 6 analysts that rate Southwest Airlines a buy, 1 analyst rates it a sell, and 4 rate it a hold. TheStreet Ratings rates Southwest Airlines as a buy. The company's strengths can be seen in multiple areas, such as its 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 Southwest Airlines Ratings Report now. STOCKS TO BUY: TheStreet Quant Ratings has identified a handful of stocks that can potentially TRIPLE in the next 12-months. Learn more.