Six Charts That Show How Stock Markets Got Reshaped in 2025

DeepSeek shook the status quo in the AI world.Photographer: Yuki Iwamura/Bloomberg

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By Michael Msika and Jan-Patrick Barnert

December 19, 2025 at 10:00 AM UTC

Stock investors can’t claim that this year has lacked market drama.

It didn’t always look likely, but equities have managed strong returns in 2025, weathering shocks like DeepSeek of China’s challenge to US artificial intelligence and the tariff storm unleashed by the Trump administration in April.