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. One out of the three major indices are trading lower today with the Dow Jones Industrial Average ( ^DJI) trading up 22 points (0.1%) at 15,897 as of Wednesday, Dec. 18, 2013, 11:55 AM ET. The NYSE advances/declines ratio sits at 1,497 issues advancing vs. 1,411 declining with 169 unchanged. The Diversified Services industry currently is unchanged today versus the S&P 500, which is unchanged. On the negative front, top decliners within the industry include AerCap Holdings N.V ( AER), down 3.1%, Aaron's ( AAN), down 2.0%, Stantec ( STN), down 1.7%, Team Health Holdings ( TMH), down 1.6% and Air Lease ( AL), down 1.2%. Top gainers within the industry include Qiagen ( QGEN), up 2.2%, Shutterstock ( SSTK), up 1.6%, Zillow ( Z), up 1.5%, Ulta Salon Cosmetics & Fragrances ( ULTA), up 1.4% and Financial Engines ( FNGN), up 1.0%. TheStreet would like to highlight 5 stocks pushing the industry lower today: 5. Robert Half International ( RHI) is one of the companies pushing the Diversified Services industry lower today. As of noon trading, Robert Half International is down $0.71 (-1.8%) to $39.82 on average volume. Thus far, 397,956 shares of Robert Half International exchanged hands as compared to its average daily volume of 858,400 shares. The stock has ranged in price between $39.82-$40.64 after having opened the day at $40.52 as compared to the previous trading day's close of $40.53. Robert Half International Inc. provides staffing and risk consulting services in North America, South America, Europe, Asia, and Australia. Robert Half International has a market cap of $5.5 billion and is part of the services sector. The company has a P/E ratio of 22.5, above the S&P 500 P/E ratio of 17.7. Shares are up 25.1% year to date as of the close of trading on Tuesday. Currently there are 8 analysts that rate Robert Half International a buy, no analysts rate it a sell, and 4 rate it a hold. TheStreet Ratings rates Robert Half International as a buy. The company's strengths can be seen in multiple areas, such as its revenue growth, largely solid financial position with reasonable debt levels by most measures, notable return on equity, solid stock price performance and impressive record of earnings per share growth. Although no company is perfect, currently we do not see any significant weaknesses which are likely to detract from the generally positive outlook. Get the full Robert Half International 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.