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Why active funds underperform even when the manager picks well
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.
Robin Powell
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What history tells us about expected stock returns after a bull run
New research analysing 153 years of US market data reveals why expected stock returns over the next decade are likely to disappoint. The three forces driving returns — dividends, earnings growth, and P/E changes — rarely pull together when valuations are stretched. With the Shiller CAPE at 40 for only the second time in history, the maths suggests caution. Here's what disciplined investors should do.
Robin Powell
Jan 38 min read
The financial bubble delusion: why crash fears cost investors more than crashes themselves
Most investors vastly overestimate financial bubble frequency, but Yale research spanning three centuries reveals they occur in under 0.5% of market periods. Here's why crash fears damage wealth more than crashes themselves and what history teaches about staying invested during market booms.
Robin Powell
Sep 16, 202510 min read
Equity duration: why stock-picking got harder after 1945
A new study shows how equity duration reshaped markets after 1945, making stock-picking harder and strengthening the case for evidence-based investing.
Robin Powell
Sep 14, 20256 min read
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