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 97 points (0.7%) at 14,670 as of Tuesday, April 2, 2013, 12:49 PM ET. The NYSE advances/declines ratio sits at 1,756 issues advancing vs. 1,114 declining with 151 unchanged. The Services sector currently sits up 0.3% versus the S&P 500, which is up 0.6%. On the negative front, top decliners within the sector include United Continental Holdings ( UAL), down 4.0%, and Southwest Airlines ( LUV), down 3.7%. Top gainers within the sector include Hertz Global Holdings ( HTZ), up 7.2%, Urban Outfitters ( URBN), up 4.8%, Luxottica Group ( LUX), up 2.6%, Liberty Global ( LBTYK), up 2.5% and Grupo Televisa S.A ( TV), up 2.5%. TheStreet Ratings group would like to highlight 4 stocks pushing the sector lower today: 4. Alaska Air Group ( ALK) is one of the companies pushing the Services sector lower today. As of noon trading, Alaska Air Group is down $3.46 (-5.4%) to $60.14 on heavy volume Thus far, 984,159 shares of Alaska Air Group exchanged hands as compared to its average daily volume of 717,700 shares. The stock has ranged in price between $59.71-$63.12 after having opened the day at $62.97 as compared to the previous trading day's close of $63.60. Alaska Air Group, Inc., through its subsidiaries, provides scheduled air transportation for passengers and cargo. Alaska Air Group has a market cap of $4.5 billion and is part of the transportation industry. The company has a P/E ratio of 14.5, below the S&P 500 P/E ratio of 17.7. Shares are up 47.6% year to date as of the close of trading on Monday. Currently there are 7 analysts that rate Alaska Air Group a buy, 2 analysts rate it a sell, and 3 rate it a hold. TheStreet Ratings rates Alaska Air Group as a buy. The company's strengths can be seen in multiple areas, such as its solid stock price performance, revenue growth, notable return on equity, good cash flow from operations and largely solid financial position with reasonable debt levels by most measures. We feel these strengths outweigh the fact that the company shows low profit margins. Get the full Alaska Air Group 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.