The managers running the biggest active funds picked stocks that beat the market in 2025 — and most still lagged their benchmark. A Morningstar do-nothing experiment and a body of academic research explain why active funds underperform even when the picking is good: skilled buying undone by poor selling, the hidden cost of trading, and the incentives that keep managers churning. The UK evidence points the same way.
The tech sell-off wiped more than $800 billion from software stocks alone. Here are seven lessons evidence-based investors should take from it — and three things it doesn't tell us about what comes next.
Bubble warnings spiked in late 2025, then faded — but AI stock valuations haven't budged. New research analysing over 5,000 crashes reveals why that's significant: at genuine peaks, warnings are rare and sceptics are ignored. Widespread concern may actually signal safety.
Robin Powell
Jan 2710 min read
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