As Chicago fund researcher Morningstar continues to make drastic changes to its portfolio analysis methodology this summer, financial planners and analysts say that by providing more specific categories, the revisions will significantly affect the way funds are marketed and sold.

Morningstar, whose databases and analytical models are widely used across the mutual fund industry, announced at its annual investment conference in Chicago last week that it will alter the way it categorizes the industry sectors that make up the global economy.

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