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Among the representatives who spoke with the premier at the seminar was Bai Chongen, deputy executive dean of the School of Economics and Management at Tsinghua University.

Amazon’s stock is up 33 percent this year, well ahead of the 20 percent spike for the S&P 500.

Amid these pressures, Canadian Prime Minister Justin Trudeau said on Saturday that his country's border with the US will remain closed to nonessential travel for a further 30 days and likely longer.

Among them were 10,861 companies involved in medical material imports and exports that had registered with customs authorities throughout China, accounting for 27.5 percent of the total newly-registered enterprises during the three-month period.

Amazon’s wishlist for its second headquarters in North America includes “a stable and business-friendly environment,” “locations with the potential to attract and retain strong technical talent,” “a diverse population, excellent institutions of higher education, local government structure and elected officials eager and willing to work with the company.”