NEW YORK — A monthslong calm on Wall Street shattered Friday, and U.S. stocks tumbled after President Donald Trump threatened to crank tariffs much higher on China.

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A monthslong calm on Wall Street shattered, and U.S. stocks tumbled after President Donald Trump threatened to crank tariffs higher on China

The S&P 500 sank 2.7% Friday in its worst day since April

The Dow Jones Industrial Average dropped 1.9%, and the Nasdaq composite lost 3.6%

Stocks had been on track for a slight gain in the morning, until Trump said he's considering a massive increase of tariffs on Chinese imports

The S&P 500 sank 2.7% in its worst day since April. The Dow Jones Industrial Average dropped 878 points, or 1.9%, and the Nasdaq composite fell 3.6%.

Stocks had been heading for a sli

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