U.S. stocks are careening after President Donald Trump threatened to crank his tariffs higher on Monday. The S&P 500 was down 0.8% in late trading, but only after a day of heart-racing reversals as ...

Donald Trump has said he won't pause tariffs, hours after he threatened China with an extra 50% levy while suggesting he is open to negotiations with other countries. In the UK, the FTSE closed down ...