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An upcoming investigation will target 27 major video and music streaming websites, including Bilibili, an anime-centered video streaming platform widely accessed by teens; Kuaikan, a digital publishing platform for comic strips; and Douyin, a short video streaming app.

And in Michigan, Democratic Sen. Debbie Stabenow will take on military veteran and business executive John James, who won the Republican nomination. He would join Tim Scott of South Carolina as the only black Republican senators if he wins in November.

Analysts said the lockdowns imposed to curb the spread of the virus increased the incidence of domestic abuse and pressured more women to take unpaid care work at home. For many, it has also taken away their livelihoods.

Analysts say that China's improving infrastructure, including the world's largest high-speed rail network and a massive broadband network, has enhanced logistics and fostered innovation.

Analysts believe the solid economy provided the foundations for improving corporate profits. China's GDP expanded 6.9 percent year on year in 2017, picking up pace for the first time in seven years.