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Blockchain can improve efficiency and security in financial areas. The technology can eliminate fake financial notes from circulating, Zhang said.

Bloomberg News conducted a survey of 10 sell-side and buy-side traders and money managers, which showed no specific economic or fundamental data point or news as the driver of the late-session plunge in the stock market. Some traders cited quantitative algorithms and sell programs, according to Bloomberg.

Boeing delivered 184 commercial airplanes during the first quarter, including the delivery of the first 787-10 Dreamliner to Singapore Airlines and the first 737 MAX 9 to Lion Air Group.

Billingsley learned that woodblock printing was a form of a popular and important revolutionary art in Yan'an when Mao was there in 1940s. Gu Yuan and Yan Han from the Lu Xun Academy of Arts and Literature set up the tradition at that time.

Bolsonaro, 63, took the oath of office at 3:10 pm local time at a ceremony held at the National Congress building in the capital Brasilia.