June 29, 2026
Twelve machine learning models are given the same data and the same question: what will this stock do next year? The more their forecasts diverge, the worse that stock performs. 14 percent worse, to be precise. Per year. That is an enormous difference.
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![Anneka Treon on investing in Europe: "If you miss 25 years of compounding your wealth through investments, that really starts to hurt." Photo: Jeremy Fdida/Amundi.](https://images.investmentofficer.com/cdn/ff/hbFjyQn-TM76OkelqghUyqNUlWi35aTFXM-D1d-6Q_4/1781779917/public/styles/thumbnail/public/2026-06/Treon_0.png?itok=Wpbsxw6Y "Anneka Treon on investing in Europe: "If you miss 25 years of compounding your wealth through investments, that really starts to hurt." Photo: Jeremy Fdida/Amundi.")
