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
Hedge funds are sold on diversification, uncorrelated returns and capital preservation. Goldman Sachs publishes the 50 stocks that turn up most often among their largest long positions, and eight of the ten biggest make chips, memory or the machines that make chips. Most of what a hedge fund does never reaches a regulatory filing. The disclosed long book is the one part investors can inspect, and at the middle of this year it was almost 40 per cent technology.
TEBI
Aug 257 min read
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