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. All three major indices are trading up today with the Dow Jones Industrial Average ( ^DJI) trading up 83 points (0.5%) at 16,304 as of Monday, Dec. 23, 2013, 11:55 AM ET. The NYSE advances/declines ratio sits at 2,307 issues advancing vs. 673 declining with 118 unchanged. The Services sector currently sits up 0.8% versus the S&P 500, which is up 0.6%. On the negative front, top decliners within the sector include Steiner Leisure ( STNR), down 15.4%, Michael Kors Holdings ( KORS), down 4.6%, Whole Foods Market ( WFM), down 1.6%, Target ( TGT), down 1.2% and Cencosud ( CNCO), down 1.2%. Top gainers within the sector include Darden Restaurants ( DRI), up 6.6%, Rite Aid Corporation ( RAD), up 5.5%, Vipshop Holdings ( VIPS), up 5.0%, Pandora Media ( P), up 4.7% and Mercadolibre ( MELI), up 3.7%. TheStreet would like to highlight 3 stocks pushing the sector lower today: 3. Alaska Air Group ( ALK) is one of the companies pushing the Services sector lower today. As of noon trading, Alaska Air Group is down $1.98 (-2.7%) to $71.52 on average volume. Thus far, 342,249 shares of Alaska Air Group exchanged hands as compared to its average daily volume of 657,700 shares. The stock has ranged in price between $71.50-$73.92 after having opened the day at $73.82 as compared to the previous trading day's close of $73.50. Alaska Air Group, Inc., through its subsidiaries, provides scheduled air transportation for passengers and cargo. Alaska Air Group has a market cap of $4.9 billion and is part of the transportation industry. The company has a P/E ratio of 10.6, below the S&P 500 P/E ratio of 17.7. Shares are up 63.8% year to date as of the close of trading on Friday. Currently there are 5 analysts that rate Alaska Air Group a buy, 1 analyst rates it a sell, and 4 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, impressive record of earnings per share growth, compelling growth in net income, revenue growth 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. STOCKS TO BUY: TheStreet Quant Ratings has identified a handful of stocks that can potentially TRIPLE in the next 12-months. Learn more.