Wall Street is coming off a week that saw the Nasdaq Composite notch two consecutive records at its end. The S&P 500, meanwhile, just missed a record close on Friday. Tech stocks

Donald Trump has extended a trade war truce with China for another 90 days, two US officials have said, just hours before his Tuesday deadline to steepen tariffs on the world’s biggest exporter. The US president’s move was widely expected because his government has been reluctant to reignite the fierce trade conflict with Beijing that rattled markets in April when US levies on Chinese imports rose up to 145 per cent.