US stocks fell on Tuesday after President Donald Trump threatened to impose tariffs on European goods, while the IMF's downbeat outlook for global growth added to worries about an economic slowdown stemming from trade disputes.
Trade-sensitive industrial stocks were among the worst hit, dropping 1.02%, followed by losses in energy, materials and financials.
Boeing Co shares fell 1.3%, after the planemaker handed over far fewer planes in the first quarter due to the global grounding of its best-selling 737 MAX jets following two fatal crashes.
3M Co and Caterpillar Inc were down more than 1 percent each and also weighed on the Dow.
The United States threatened to slap tariffs on hundreds of European goods on Monday as retaliation for subsidies given to Airbus. In response, an EU official said the European Union had begun preparations to retaliate over Boeing subsidies.
In its third downgrade to global economic outlook since October, the International Monetary Fund (IMF) warned that growth could slow further due to trade tensions and a potentially disorderly British exit from the European Union.
Earnings begin in earnest, with Delta Air Lines Inc reporting on Wednesday, followed by big US banks later this week. January-March profit for S&P 500 companies is expected to fall 2.5% from last year, according to Refinitiv data.
At 11:07 a.m. ET the Dow Jones Industrial Average was down 154.16 points, or 0.59%, at 26,186.86, the S&P 500 was down 12.40 points, or 0.43%, at 2,883.37 and the Nasdaq Composite was down 14.98 points, or 0.19 percent, at 7,938.91.