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
Jonathan Clements, who died this week, was one of the most influential personal finance journalists of his generation. Through his columns, books, HumbleDollar, and his final act of generosity — the Getting Going on Savings Initiative — he leaves investors a lasting legacy of wisdom and generosity.
Robin Powell
Sep 24, 20255 min read
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