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 40 points (0.3%) at 15,878 as of Tuesday, Jan. 28, 2014, 11:55 AM ET. The NYSE advances/declines ratio sits at 1,973 issues advancing vs. 972 declining with 141 unchanged. The Health Services industry currently sits up 0.6% versus the S&P 500, which is up 0.3%. Top gainers within the industry include Waters Corporation ( WAT), up 7.0%, PerkinElmer ( PKI), up 3.1%, Align Technology ( ALGN), up 2.7%, Grifols ( GRFS), up 2.1% and Mettler-Toledo International ( MTD), up 1.9%. TheStreet would like to highlight 3 stocks pushing the industry lower today: 3. Cigna ( CI) is one of the companies pushing the Health Services industry lower today. As of noon trading, Cigna is down $0.60 (-0.7%) to $86.40 on light volume. Thus far, 392,191 shares of Cigna exchanged hands as compared to its average daily volume of 1.4 million shares. The stock has ranged in price between $86.36-$87.48 after having opened the day at $86.96 as compared to the previous trading day's close of $87.00. Cigna Corporation, a health services organization, provides insurance and related products and services in the United States and internationally. Cigna has a market cap of $24.0 billion and is part of the health care sector. The company has a P/E ratio of 13.2, below the S&P 500 P/E ratio of 17.7. Shares are down 0.6% year-to-date as of the close of trading on Monday. Currently there are 8 analysts that rate Cigna a buy, no analysts rate it a sell, and 6 rate it a hold. TheStreet Ratings rates Cigna 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, solid stock price performance, growth in earnings per share and increase in net income. We feel these strengths outweigh the fact that the company shows low profit margins. Get the full Cigna 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.