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
A new academic study reveals what active fund management really sounds like behind closed doors. King's College London professor Crawford Spence interviewed 28 senior fund managers and found an industry that runs on faith rather than evidence — privately conceding it overcharges and underperforms, and now pivoting to retail investors as institutional clients leave. Here's what they say off the record, and how to stop paying for someone else's faith.
Robin Powell
May 78 min read
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