tailieunhanh - Washington Mutual Investors Fund

Our empirical results are based on monthly returns of 1,472 . open-end, domestic equity mutual funds existing at any time between 1975 and 2002. We investigate the performance of the entire cross-section of mutual funds, as well as the cross-section of each of three investment-objective categories, growth, aggressive-growth, and growth and income. We first show that the impact of luck on performance is substantial. Specifically, we find that our estimators of the number of mutual funds with positive or negative performance is much lower than those obtained with the standard approach (only based on significant funds). These differences are informative, since they lead to a completely different assessment of. | American Funds The right choice for the long term Washington Mutual Investors Fund Prospectus B Class A Ticker AWSHX B WSHBX C WSHCX F-1 WSHFX F-2 WMFFX 529-A CWMAX 529-B CWMBX 529-C CWMCX 529-E CWMEX 529-F-1 CWMFX R-1 RWMAX R-2 RWMBX R-3 RWMCX July 1 2012 R-4 R-5 RWMEX RWMFX R-6 RWMGX Table of contents Investment objective 1 Shareholder information 13 Fees and expenses of the fund 1 Purchase exchange and sale of shares 14 Principal investment strategies 3 How to sell shares 19 Principal risks 4 Distributions and taxes 22 Investment results 5 Choosing a share class 23 Management 7 Sales charges 24 Purchase and sale of fund shares 7 Sales charge reductions and waivers 26 Tax information 7 Rollovers from retirement plans to IRAs 30 Payments to broker-dealers and other Plans of distribution 31 financial intermediaries 7 Other compensation to dealers 31 Investment objective strategies and risks 8 Fund expenses 32 Management and organization 10 Financial highlights 34 The . Securities and Exchange Commission has not approved or disapproved of these securities. Further it has not determined that this prospectus is accurate or complete. Any representation to the contrary is a criminal offense. American Funds8 Prospectus Supplement January 14 2013 For the following funds with effective prospectuses dated February 1 2012 -December 1 2012 AMCAP Fund American Balanced Fund American Funds Money Market Fund American Funds Mortgage Fund American Funds Short-Term Tax-Exempt Bond Fund American Funds Tax-Exempt Fund of New York American High-Income Municipal Bond Fund American High-Income Trust The Bond Fund of America Capital World Bond Fund Capital World Growth and Income Fund Inc. EuroPacific Growth Fund Fundamental Investors The Growth Fund of America Inc. The Income Fund of America Intermediate Bond Fund of America International Growth and Income FundSM The Investment Company of America Limited Term Tax-Exempt Bond Fund of America The New Economy Fund New Perspective Fund .