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.
Ever notice how financial bad news grabs your attention more than good news? There's a reason — it's called negativity bias — and it's costing investors real returns. Here's what the science says.
Robin Powell
Sep 12, 20257 min read
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