US stocks were volatile in midday trading on Wednesday, with the S&P 500 briefly falling 0.4 per cent before recovering to trade roughly flat, as investors contend with the fallout from Donald Trump’s ...

US Treasuries were hit hard, with the 10-year yield, a global benchmark for borrowing costs, jumping to 4.51 per cent before easing to 4.36 per cent, up 0.1 percentage point on the day and rising from ...