How much of your portfolio should be in stocks? It's one of investing's most important questions — and the standard answer is costing the average investor the equivalent of 2% of their lifetime consumption. Yale economists have finally built something better, and it fits in a spreadsheet.
Chasing last year’s top funds is seductive — and usually self-defeating. New evidence shows performance persistence is largely a mirage: most “winners” slip quickly, especially when markets get rough. Investors who keep costs low and own the market have far better odds of reaching their goals.
Robin Powell
Oct 20, 202511 min read
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