A presidential tweet on tariffs sends global markets into chaos. Why Mike Pompeo is in Finland today. Voters in South Africa head to the polls this week.
An investor looks at stock price movements on a screen at a securities company in Beijing on May 6, 2019. - China's key stock indices plunged more five percent on May 6 after US President Donald Trump threatened to hike tariffs on Chinese imports, potentially derailing high-level trade talks as they enter their final phase.