Trump met China's leader Xi Jinping at the weekend and agreed to a 90-day tariff truce in order to find a more permanent solution to the costly dispute, but messages since have been mixed, roiling global stock markets "China talks are going very well!" Trump tweeted.
Traders were initially buoyed by the apparent deal agreed at the G20 meeting in Buenos Aires but questions were quickly raised about the details -- and whether the world's top two economies could actually resolve their differences.
That was compounded by news that a top executive at Chinese telecom giant Huawei had been arrested in Canada and faces extradition to the US over allegations the firm had broken sanctions linked to Iran.
China on Thursday appeared to try to ease concerns by saying it would "immediately" implement measures agreed under the truce.
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