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 55 points (-0.4%) at 14,948 as of Wednesday, Aug. 21, 2013, 12:49 PM ET. The NYSE advances/declines ratio sits at 846 issues advancing vs. 2,101 declining with 78 unchanged. The Real Estate industry currently sits down 0.3% versus the S&P 500, which is down 0.4%. On the negative front, top decliners within the industry include Home Loan Servicing Solutions ( HLSS), down 2.6%, Jones Lang LaSalle ( JLL), down 1.4%, CoStar Group ( CSGP), down 1.0%, Host Hotels & Resorts ( HST), down 0.9% and Brookfield Asset Management ( BAM), down 0.7%. Top gainers within the industry include Zillow ( Z), up 3.9%, HCP ( HCP), up 1.3% and American Capital Agency ( AGNC), up 0.7%. TheStreet would like to highlight 5 stocks pushing the industry lower today: 5. Nationstar Mortgage Holdings ( NSM) is one of the companies pushing the Real Estate industry lower today. As of noon trading, Nationstar Mortgage Holdings is down $1.45 (-3.0%) to $47.67 on light volume. Thus far, 215,913 shares of Nationstar Mortgage Holdings exchanged hands as compared to its average daily volume of 986,500 shares. The stock has ranged in price between $47.66-$48.95 after having opened the day at $48.81 as compared to the previous trading day's close of $49.12. Nationstar Mortgage Holdings Inc. operates as a residential mortgage loan servicer in the United States. It operates in two segments, Servicing and Originations. Nationstar Mortgage Holdings has a market cap of $4.3 billion and is part of the financial sector. Shares are up 58.5% year to date as of the close of trading on Tuesday. Currently there are 3 analysts that rate Nationstar Mortgage Holdings a buy, no analysts rate it a sell, and 2 rate it a hold. TheStreet Ratings rates Nationstar Mortgage Holdings as a sell. The area that we feel has been the company's primary weakness has been its poor profit margins. Get the full Nationstar Mortgage 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.