Investors were also concerned over intensified COVID-19 restrictions in Europe.
Investigators sought to find out whether Lula, who served as president from 2003 to 2011, took part in negotiations which saw Portugal Telecom transfer seven million US dollars to the Workers' Party (PT) when Lula was in power.
Investment management for the Chinese foreign exchange reserve is done to ensure safety and increase the reserve's value, the statement said.
Internet, big data and artificial intelligence technologies should be used to provide personalized, digital medical services to customers with an eye on medical services innovation, said Wang Xiaochuan, CEO of Chinese search engine Sogou Inc.
Iranian Supreme Leader Ayatollah Ali Khamenei said late on Monday that any negotiation with the US to solve the existing problems is an "obvious mistake".
Inside, there was none of the drama of the landmark years in which charismatic leaders such as Palestine's Yasser Arafat and Cuba's Fidel Castro used the podium briefly to dominate the world stage, or when Soviet leader Nikita Khrushchev theatrically brandished his shoe in protest at a rival speaker.
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International workers gain skills and experience through unique initiative
Instead of establishing conventional student-teacher relationships, male teachers are more like playmates to the children, he said.
International carmakers are also faring well. Sino-German joint venture FAW-Volkswagen announced that it delivered 165,734 vehicles under the Volkswagen, Audi and Jetta brands, up 9.9 percent year-on-year. Volvo delivered 14,698 vehicles in April, up 21 percent year-on-year. The XC60 SUV was its bestseller. The carmaker said its plant in Chengdu, Sichuan province, is working overtime to meet demand.
Iran has suspended parts of its commitments subject to the nuclear deal and have threatened to go further.