Money Do your portfolio results differ from what the investment fund reports? This could be why. August 27, 2023August 29, 2023Russ Wiles, USA TODAY NETWORKComments Off on Do your portfolio results differ from what the investment fund reports? This could be why. You invest in a mutual fund and expect to earn the same result as the fund reports. But most people underperform their investments, Morningstar says.