Warnings that index funds have broken the stock market all imply a threshold: a share of the market at which price discovery fails. Nobody making the argument names it. Owen Lamont, writing in the Financial Analysts Journal, argues that no such number exists short of complete passive ownership, and that what actually determines whether prices stay informative is who is left doing the trading. His case, the strongest peer-reviewed research against it, and what the performance
Terry Smith's Fundsmith Equity fund has underperformed for four years, losing billions in outflows. But is this evidence of declining skill or simply bad luck? Academic research reveals it takes 36-800 years of data to statistically prove a fund manager has genuine talent rather than benefiting from chance. Smith's 14-year track record, despite early success, is statistically meaningless. His recent struggles with NVIDIA, Apple and Novo Nordisk may look like stock-picking err
TEBI
Jul 8, 20257 min read
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