What do you earn from your mutual fund? It depends on how you slice it. But the more you know about your real return, the more you're likely to keep for yourself.
Consider the 25 largest stock funds, whose gains have varied the past 10 years from an annualized gain before expenses of 13.10% a year from Fidelity Growth Company to 7.52% for T. Rowe Price Equity Income, according to Morningstar.
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