Two out of the three major indices are trading lower today with the Dow Jones Industrial Average ( ^DJI) trading down 19 points (-0.1%) at 15,282 as of Wednesday, July 10, 2013, 12:50 PM ET. The NYSE advances/declines ratio sits at 1,222 issues advancing vs. 1,685 declining with 126 unchanged. The Transportation industry currently sits up 0.1% versus the S&P 500, which is down 0.1%. A company within the industry that fell today was Canadian National Railway ( CNI), up 0.6%. TheStreet would like to highlight 3 stocks pushing the industry lower today: 3. United Continental Holdings ( UAL) is one of the companies pushing the Transportation industry lower today. As of noon trading, United Continental Holdings is down $0.52 (-1.6%) to $31.48 on light volume. Thus far, 1.2 million shares of United Continental Holdings exchanged hands as compared to its average daily volume of 3.7 million shares. The stock has ranged in price between $31.13-$31.95 after having opened the day at $31.95 as compared to the previous trading day's close of $32.00. United Continental Holdings, Inc., through its subsidiaries, provides passenger and cargo air transportation services. The company operates in six continents from its hubs in Chicago, Cleveland, Denver, Guam, Houston, Los Angeles, New York/Newark, San Francisco, Tokyo, and Washington, D.C. United Continental Holdings has a market cap of $10.5 billion and is part of the services sector. Shares are up 34.7% year to date as of the close of trading on Tuesday. Currently there are 3 analysts that rate United Continental Holdings a buy, 1 analyst rates it a sell, and 6 rate it a hold. TheStreet Ratings rates United Continental Holdings as a hold. The company's strengths can be seen in multiple areas, such as its solid stock price performance, increase in net income and revenue growth. However, as a counter to these strengths, we also find weaknesses including generally higher debt management risk, disappointing return on equity and poor profit margins. Get the full United Continental Holdings 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.