Stock markets plunge as Trump ramps up tensions over Greenland
On January 21, 2026, global stock markets plunged following President Trump's intensified threats to acquire Greenland. Wall Street experienced its worst day since October, with the S&P 500, Nasdaq, and Dow Jones all experiencing significant declines.

Briefing Summary
AI-generatedOn January 21, 2026, global stock markets plunged following President Trump's intensified threats to acquire Greenland. Wall Street experienced its worst day since October, with the S&P 500, Nasdaq, and Dow Jones all experiencing significant declines. The US dollar also weakened, while gold prices surged to a record high. European and Asian markets followed suit, reflecting investor anxiety over Trump's demands and the potential for escalating tensions with Denmark and other European nations. Trump claims control of Greenland is vital to US security due to China and Russia’s strategic ambitions in the Arctic. The situation has strained US-European relations, raising concerns about the future of NATO and transatlantic trade.
Article analysis
Model · rule-basedKey claims
5 extractedThe US dollar fell 0.8 percent against a basket of major currencies.
Wall Street’s benchmark S&P 500 fell nearly 2.1 percent on Tuesday.
Trump claims that Greenland is vital to US security due to China and Russia’s strategic ambitions in the Arctic.
The declines marked Wall Street’s worst day since October.
Stock markets and the US dollar tumbled following Trump's latest threats over Greenland.