Mutual fund ratings and future performance - Vanguard

the theory and the evidence, most mutual fund performance ratings score index funds as average (as of December 2009, 54% of all stock and bond mutual funds had a 3-star rating on a 5-star scale, according to Morningstar, Inc.). Indeed, it’s not uncommon for clients to question why an average-rated index fund should be given preference as a ................
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