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US Marine Corps Pfc. Fernando Luna Simental dons his personal protective equipment (PPE) to begin screening incoming personnel in response to the increased threat of COVID-19 at Camp Foster, Okinawa, Japan April 10, 2020. [Photo/Agencies]

US President Donald Trump on Monday threatened to slap a 10 percent tariff on 0 billion of Chinese products in addition to the import duties previously announced on billion in goods. China immediately vowed to retaliate.

US Attorney General William Barr leaves his house after Special Counsel Robert Mueller found no evidence of collusion between US President Donald Trump's campaign and Russia in the 2016 election in McClean, Virginia, US, March 25, 2019. [Photo/Agencies]

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US stocks fell on the opening for the second day in a row Tuesday as the rout in oil prices underscored investor doubts about the strength of the economy ravaged by government-ordered shutdowns.

US President Donald Trump said on Tuesday that the rout that knocked stocks down 19.8 percent provided a "tremendous opportunity to buy".

US retail sales plunged 16.4 percent in April as consumers cut spending amid the nationwide coronavirus lockdown, the Commerce Department reported Friday.

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US stocks slumped Monday as investors surveyed the economic damage caused by the coronavirus pandemic and considered gloomy prospects for a sustained rebound as oil prices hit the bottom of the barrel.

US Senator Marco Rubio, a Republican from Florida who ran for president in 2016, and FBI Director Christopher Wray discussed whether Chinese students in the US could be covertly gathering intelligence for their government back home.

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US Permanent Representative to the United Nations Nikki Haley said the council had failed to conduct the "major, dramatic and systematic changes" required by the United States.

US President Donald Trump wears a mask while visiting Walter Reed National Military Medical Center in Bethesda, Maryland, US, July 11, 2020. [Photo/Agencise]