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 down today with the Dow Jones Industrial Average ( ^DJI) trading down 79 points (-0.5%) at 16,635 as of Friday, Aug. 15, 2014, 12:55 PM ET. The NYSE advances/declines ratio sits at 1,072 issues advancing vs. 1,895 declining with 174 unchanged. The Services sector currently sits down 0.8% versus the S&P 500, which is down 0.3%. On the negative front, top decliners within the sector include Dillards ( DDS), down 6.7%, GameStop ( GME), down 5.0%, Nordstrom ( JWN), down 4.0%, Fastenal ( FAST), down 2.4% and Melco Crown Entertainment ( MPEL), down 2.3%. Top gainers within the sector include Zillow ( Z), up 2.0%, Delhaize Group ( DEG), up 1.4%, Hertz Global Holdings ( HTZ), up 1.2%, Netflix ( NFLX), up 1.0% and McGraw Hill Financial ( MHFI), up 0.5%. TheStreet would like to highlight 3 stocks pushing the sector lower today: 3. Dollar General ( DG) is one of the companies pushing the Services sector lower today. As of noon trading, Dollar General is down $0.57 (-1.0%) to $57.31 on light volume. Thus far, 2.1 million shares of Dollar General exchanged hands as compared to its average daily volume of 6.1 million shares. The stock has ranged in price between $57.04-$57.98 after having opened the day at $57.74 as compared to the previous trading day's close of $57.88. Dollar General Corporation, a discount retailer, provides merchandise products in the United States. Dollar General has a market cap of $17.3 billion and is part of the retail industry. Shares are down 5.5% year-to-date as of the close of trading on Thursday. Currently there are 7 analysts that rate Dollar General a buy, no analysts rate it a sell, and 9 rate it a hold. TheStreet Ratings rates Dollar General as a buy. The company's strengths can be seen in multiple areas, such as its revenue growth, growth in earnings per share, increase in net income, notable return on equity and good cash flow from operations. We feel these strengths outweigh the fact that the company shows low profit margins. Get the full Dollar General 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.