The Motley Fool·Mar 3·Matt Frankel, CfpTwo Decades Later: $10K in Vanguard S&P 500 ETF Grows to $78KA $10,000 investment in Vanguard's S&P 500 ETF from 20 years ago would be worth nearly $78,000 today, far exceeding typical retirement savings. VOOVSPFFlong-term investingwealth building