NEW YORK ( TheStreet) -- Shares of Willis Group Holdings (NYSE: WSH) were gapping down Tuesday morning with an open price 12.6% lower than Monday's closing price. The stock closed at $40.67 Monday and opened today's trading at $35.56. The average volume for Willis Group has been 1.1 million shares per day over the past 30 days. Willis Group has a market cap of $6.8 billion and is part of the financial sector and insurance industry. Shares are up 17.4% year to date as of the close of trading on Monday. Willis Group Holdings Public Limited Company and its subsidiaries provide a range of insurance and reinsurance broking, and risk management consulting services to clients in various industries, including aerospace, marine, construction, and energy. The company has a P/E ratio of 24.1, below the average insurance industry P/E ratio of 24.3 and above the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Willis Group as a hold. The company's strengths can be seen in multiple areas, such as its revenue growth, reasonable valuation levels and good cash flow from operations. However, as a counter to these strengths, we also find weaknesses including deteriorating net income, poor profit margins and disappointing return on equity. You can view the full Willis Group Ratings Report. Get more investment ideas from our investment research center. Interested in other stocks that are gapping down? Get free SMS text alerts sent to you when the action happens by texting DOWN to 95370 or select from multiple alert options.