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 73 points (0.4%) at 16,911 as of Tuesday, Aug. 19, 2014, 12:55 PM ET. The NYSE advances/declines ratio sits at 1,966 issues advancing vs. 988 declining with 181 unchanged. The Diversified Services industry currently sits up 0.7% versus the S&P 500, which is up 0.4%. Top gainers within the industry include China HGS Real Estate ( HGSH), up 76.5%, Ryder System ( R), up 1.8%, Air Lease ( AL), up 1.8%, Robert Half International ( RHI), up 1.2% and ManpowerGroup ( MAN), up 1.1%. TheStreet would like to highlight 3 stocks pushing the industry lower today: 3. SBA Communications ( SBAC) is one of the companies pushing the Diversified Services industry lower today. As of noon trading, SBA Communications is down $1.29 (-1.2%) to $108.00 on average volume. Thus far, 514,269 shares of SBA Communications exchanged hands as compared to its average daily volume of 997,700 shares. The stock has ranged in price between $107.65-$109.77 after having opened the day at $109.25 as compared to the previous trading day's close of $109.29. SBA Communications Corporation owns and operates wireless communications tower structures, rooftops, and other structures that support antennas used for wireless communications in the United States and its territories, as well as in Canada, Central America, and South America. SBA Communications has a market cap of $14.0 billion and is part of the services sector. Shares are up 21.6% year-to-date as of the close of trading on Monday. Currently there are 11 analysts that rate SBA Communications a buy, no analysts rate it a sell, and none rate it a hold. TheStreet Ratings rates SBA Communications as a hold. The company's strengths can be seen in multiple areas, such as its robust revenue growth, solid stock price performance and impressive record of earnings per share growth. However, as a counter to these strengths, we find that the company has favored debt over equity in the management of its balance sheet. Get the full SBA Communications 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.