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 down today with the Dow Jones Industrial Average ( ^DJI) trading down 57 points (-0.4%) at 15,601 as of Monday, Aug. 5, 2013, 12:50 PM ET. The NYSE advances/declines ratio sits at 1,233 issues advancing vs. 1,686 declining with 120 unchanged. The Financial Services industry currently sits down 0.2% versus the S&P 500, which is down 0.2%. On the negative front, top decliners within the industry include CBOE Holdings ( CBOE), down 4.3%, Orix Corporation ( IX), down 1.0%, NYSE Euronext ( NYX), down 0.8% and Nomura Holdings ( NMR), down 0.5%. TheStreet would like to highlight 5 stocks pushing the industry lower today: 5. Principal Financial Group ( PFG) is one of the companies pushing the Financial Services industry lower today. As of noon trading, Principal Financial Group is down $0.54 (-1.2%) to $43.83 on average volume. Thus far, 743,983 shares of Principal Financial Group exchanged hands as compared to its average daily volume of 1.5 million shares. The stock has ranged in price between $43.81-$44.31 after having opened the day at $44.31 as compared to the previous trading day's close of $44.37. Principal Financial Group, Inc. provides retirement savings, investment, and insurance products and services. It operates in four segments: Retirement and Investor Services, Principal Global Investors, Principal International, and U.S. Insurance Solutions. Principal Financial Group has a market cap of $13.2 billion and is part of the financial sector. Shares are up 55.6% year to date as of the close of trading on Friday. Currently there are 3 analysts that rate Principal Financial Group a buy, 4 analysts rate it a sell, and 9 rate it a hold. TheStreet Ratings rates Principal Financial Group as a buy. The company's strengths can be seen in multiple areas, such as its revenue growth, solid stock price performance, notable return on equity, compelling growth in net income and attractive valuation levels. We feel these strengths outweigh the fact that the company shows low profit margins. Get the full Principal Financial Group 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.