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 87 points (0.5%) at 16,266 as of Friday, Dec. 20, 2013, 11:55 AM ET. The NYSE advances/declines ratio sits at 2,274 issues advancing vs. 691 declining with 120 unchanged. The Real Estate industry currently sits up 0.7% versus the S&P 500, which is up 0.6%. Top gainers within the industry include Brookfield Residential Properties ( BRP), up 4.3%, Chimera Investment Corporation ( CIM), up 2.2%, Annaly Capital Management ( NLY), up 2.2%, American Capital Agency ( AGNC), up 1.2% and Rayonier ( RYN), up 1.1%. On the negative front, top decliners within the industry include SL Green Realty Corporation ( SLG), down 1.3%, Essex Property ( ESS), down 1.2%, Realty Income Corporation ( O), down 0.9% and Icahn ( IEP), down 0.5%. TheStreet would like to highlight 5 stocks pushing the industry higher today: 5. CoStar Group ( CSGP) is one of the companies pushing the Real Estate industry higher today. As of noon trading, CoStar Group is up $1.92 (1.1%) to $180.00 on heavy volume. Thus far, 104,684 shares of CoStar Group exchanged hands as compared to its average daily volume of 131,000 shares. The stock has ranged in price between $175.67-$180.00 after having opened the day at $178.95 as compared to the previous trading day's close of $178.08. CoStar Group, Inc. provides information, analytics, and marketing services to the commercial real estate industry in the United States, the United Kingdom, and France. CoStar Group has a market cap of $5.2 billion and is part of the financial sector. The company has a P/E ratio of 232.4, above the S&P 500 P/E ratio of 17.7. Shares are up 99.3% year to date as of the close of trading on Thursday. Currently there are 3 analysts that rate CoStar Group a buy, no analysts rate it a sell, and 1 rates it a hold. TheStreet Ratings rates CoStar Group as a buy. The company's strengths can be seen in multiple areas, such as its robust revenue growth, largely solid financial position with reasonable debt levels by most measures, compelling growth in net income, expanding profit margins and good cash flow from operations. Although the company may harbor some minor weaknesses, we feel they are unlikely to have a significant impact on results. Get the full CoStar Group Ratings Report now. 3x UPSIDE POTENTIAL: TheStreet Quant Ratings has identified a handful of stocks that can potentially TRIPLE in the next 12-months. Learn more.