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.
The most valuable New Year's resolution for investors in 2026? Tune out the noise. The evidence is clear: market forecasters are no better than coin flippers, yet we keep listening. Here's why ignoring predictions might be the best investment decision you make this year.