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
Investment platform design significantly influences investor behaviour, new eye-tracking research reveals. Simple changes like larger fonts for fund fees led participants to allocate 11.2% more to lower-cost options. The study shows how visual prominence affects investment choices, suggesting platforms could improve outcomes through better interface design without regulatory changes.
TEBI
Jul 21, 20255 min read
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