Editor's Note: Any reference to TheStreet Ratings and its underlying recommendation does not reflect the opinion of TheStreet, Inc. or any of its contributors including Jim Cramer or Stephanie Link. Two out of the three major indices are trading lower today with the Dow Jones Industrial Average ( ^DJI) trading down 79 points (-0.5%) at 15,419 as of Friday, Aug. 9, 2013, 12:50 PM ET. The NYSE advances/declines ratio sits at 1,348 issues advancing vs. 1,561 declining with 117 unchanged. The Transportation industry currently sits up 0.6% versus the S&P 500, which is down 0.2%. On the negative front, top decliners within the industry include United Continental Holdings ( UAL), down 2.5%, Canadian National Railway ( CNI), down 1.0% and Canadian Pacific Railway ( CP), down 0.8%. TheStreet would like to highlight 5 stocks pushing the industry lower today: 5. Norfolk Southern Corporation ( NSC) is one of the companies pushing the Transportation industry lower today. As of noon trading, Norfolk Southern Corporation is down $0.49 (-0.7%) to $73.92 on light volume. Thus far, 558,660 shares of Norfolk Southern Corporation exchanged hands as compared to its average daily volume of 2.1 million shares. The stock has ranged in price between $73.57-$74.51 after having opened the day at $74.51 as compared to the previous trading day's close of $74.41. Norfolk Southern Corporation engages in the rail transportation of raw materials, intermediate products, and finished goods in the United States. Norfolk Southern Corporation has a market cap of $24.8 billion and is part of the services sector. Shares are up 19.8% year to date as of the close of trading on Thursday. Currently there are 10 analysts that rate Norfolk Southern Corporation a buy, 1 analyst rates it a sell, and 10 rate it a hold. TheStreet Ratings rates Norfolk Southern Corporation as a buy. The company's strengths can be seen in multiple areas, such as its attractive valuation levels, good cash flow from operations, expanding profit margins, largely solid financial position with reasonable debt levels by most measures and increase in stock price during the past year. We feel these strengths outweigh the fact that the company has had sub par growth in net income. Get the full Norfolk Southern Corporation 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.