US stocks kicked the new week off lower as tensions between the United States and China are rising.
President Donald Trump last week threatened China could face new tariffs over its handling of the coronavirus outbreak.
US Secretary of State Mike Pompeo said Monday over the weekend there is "enormous evidence" that the virus originated in a laboratory in Wuhan. Meanwhile, Trump said tariffs would be the "ultimate punishment" for China.
- The Dow opened 0.9%, or 210 points, lower.
- The S&P 500 kicked off 0.7% lower.
- The Nasdaq Composite slipped 0.5%.