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How much passive investing is too much?
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

Robin Powell
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Wealth management underperformance: the exposed secret that could cost you millions
Y TREE's analysis of 550 portfolios found that 84 per cent of wealth managers underperformed in 2025. Wealth management underperformance cost investors up to a third of their expected returns — and most don't even know it's happening.

Robin Powell
Apr 710 min read


You check your energy bill. Why not your investment fees?
You check your energy bill religiously. When your provider raised charges by £12, you noticed within days. You've compared broadband three times this year, saving £8 monthly. But when did you last calculate your all-in investment fees? That £3 broadband overcharge equals £36 yearly. A 1% overcharge on a £500,000 portfolio equals £5,000 annually—139 times more. Yet the smaller cost receives obsessive attention whilst the larger goes unexamined for decades. This article reveals

Robin Powell
Oct 27, 20259 min read
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