Editor's Note: TheStreet ratings do not represent the views of TheStreet's staff or its contributors. Ratings are established by computer based on metrics for performance (which includes growth, stock performance, efficiency and valuation) and risk (volatility and solvency). Companies with poor cash flow or high debt levels tend to earn lower ratings in our model Two out of the three major indices are trading lower today with the Dow Jones Industrial Average ( ^DJI) trading down 5 points (0.0%) at 15,100 as of Thursday, May 9, 2013, 12:45 PM ET. The NYSE advances/declines ratio sits at 1,176 issues advancing vs. 1,742 declining with 136 unchanged. The Financial sector currently sits down 0.17 versus the S&P 500, which is down 0.21. On the negative front, top decliners within the sector include Digital Realty ( DLR), down 3.75, MetLife ( MET), down 1.72, Sun Life Financial ( SLF), down 1.63, Brookfield Asset Management ( BAM), down 1.56 and Citigroup ( C), down 1.38. Top gainers within the sector include Nomura Holdings ( NMR), up 4.9%, Woori Finance Holdings ( WF), up 3.4%, Icahn ( IEP), up 2.6%, Shinhan Financial Group ( SHG), up 1.8% and Weyerhaeuser ( WY), up 1.4%. TheStreet Ratings group would like to highlight 5 stocks pushing the sector lower today: 5. ACE ( ACE) is one of the companies pushing the Financial sector lower today. As of noon trading, ACE is down $0.82 (-0.9%) to $91.44 on average volume Thus far, 816,444 shares of ACE exchanged hands as compared to its average daily volume of 1.3 million shares. The stock has ranged in price between $91.43-$92.44 after having opened the day at $92.25 as compared to the previous trading day's close of $92.26. ACE Limited, through its subsidiaries, provides a range of insurance and reinsurance products to insured's worldwide. ACE has a market cap of $31.1 billion and is part of the insurance industry. The company has a P/E ratio of 11.7, below the S&P 500 P/E ratio of 17.7. Shares are up 15.6% year to date as of the close of trading on Wednesday. TheStreet Ratings rates ACE 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, attractive valuation levels, good cash flow from operations and solid stock price performance. We feel these strengths outweigh the fact that the company has had sub par growth in net income. Get the full ACE Ratings Report now. Exclusive Offer: Jim Cramer's 'go-to' small/mid-cap guru Bryan Ashenberg only buys stocks he thinks could return 50-100%. See his top picks for 14-days FREE.