Wall Street tumbled on Tuesday, reopening after the Martin Luther King Jr. Day holiday, as risk-off sentiment intensified following President Donald Trump’s aggressive new trade stance toward Europe.

The S&P 500 fell 1.5% to 6,840, eyeing its worst session since late November, led lower by consumer discretionary and technology stocks. The Nasdaq 100 dropped 1.4%, the Dow Jones Industrial Average lost 1.3%, while the Russell 2000 eased 0.8%.

Trump threatened several European countries with an additional 10% tariffs starting Feb. 1 if negotiations over Greenland control fail, with duties potentially rising to 25% from June.

European officials warned of retaliation that could affect up to…

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