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 78 points (0.5%) at 17,023 as of Friday, Sept. 26, 2014, 12:55 PM ET. The NYSE advances/declines ratio sits at 1,765 issues advancing vs. 1,183 declining with 200 unchanged. The Diversified Services industry currently sits up 0.4% versus the S&P 500, which is up 0.3%. Top gainers within the industry include Alliance Data Systems ( ADS), up 1.3%, SBA Communications ( SBAC), up 0.9% and AerCap Holdings ( AER), up 0.7%. TheStreet would like to highlight 3 stocks pushing the industry lower today: 3. Qiagen ( QGEN) is one of the companies pushing the Diversified Services industry lower today. As of noon trading, Qiagen is down $0.15 (-0.7%) to $23.09 on average volume. Thus far, 335,415 shares of Qiagen exchanged hands as compared to its average daily volume of 739,700 shares. The stock has ranged in price between $23.04-$23.24 after having opened the day at $23.24 as compared to the previous trading day's close of $23.24. QIAGEN N.V., through its subsidiaries, provides sample and assay technologies worldwide. Qiagen has a market cap of $5.7 billion and is part of the services sector. Shares are down 2.4% year-to-date as of the close of trading on Thursday. Currently there are 4 analysts that rate Qiagen a buy, no analysts rate it a sell, and 10 rate it a hold. TheStreet Ratings rates Qiagen as a buy. The company's strengths can be seen in multiple areas, such as its compelling growth in net income, revenue growth, largely solid financial position with reasonable debt levels by most measures, reasonable valuation levels and expanding profit margins. 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 Qiagen 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.