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At news conference on Monday, Dujovne and OECD Secretary General Angel Gurria presented a report, but they declined to take questions.

At midday, the Dow Jones Industrial Average plunged 726.30 points, or 2.74 percent, to 25,758.71. The S&P 500 was down 80.39 points, or 2.74 percent, to 2,851.66. The Nasdaq Composite Index dropped 264.09 points, or 3.30 percent, to 7,739.98.

At its booth, more than a dozen speed reducers made of shiny metal were exhibited. Speed reducers are "joints" of the robotic arms used to reduce the speed of the electric motor safely.

At an education event hosted by Tencent in Beijing, seven universities were given the "Favored UK University Among Chinese Families" accolade, including: the University of Birmingham, the University of Sussex, the University of Liverpool, Loughborough University, Queen Mary University of London and Queen's University Belfast.

Aside from the two fishing boats seized this week, the Keelung coastal guard authority had previously seized four mainland fishing boats since the beginning of 2017 and fined them for a total of NT.6 million.