AI Tools Erode Active Fund Manager Edge as $11 Trillion Passive Shift Accelerates
Veteran fund manager Guy Spier says AI has eliminated the research advantage that powered Buffett-style stock-picking, as machine learning now replicates months of analysis in hours. Vanguard passive ETFs carry Strong Buy ratings with 40%+ upside while active managers charging 1-2% fees struggle to justify costs across global markets.
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