Euronext Amsterdam Today: AEX Edges Lower as Aegon Slumps and Magnum Ice Cream Joins Benchmark – 10 December 2025

On Wednesday, 10 December 2025, trading on Euronext Amsterdam was dominated by three big storylines: a sharp sell‑off in Aegon after it confirmed plans to shift its headquarters to the United States, the rapid rise of newly listed Magnum Ice Cream Company as a fresh AEX constituent, and the promotion of sustainable lender Triodos Bank into the AMS Next 20 index. All this played out against a cautious European backdrop, with investors positioning ahead of a closely watched U.S. Federal Reserve rate decision. Reuters+2euronext.com+2