Wall Street ends mixed as China-U.S. tensions weigh

Wall Street ended mixed on Friday in a mostly tame finish to a week of strong gains, as investors gauged China-U.S. tensions and amid ongoing uncertainty about the pace of economic recovery from the coronavirus. President Donald Trump’s warning on Thursday that the U.S. would react strongly to China’s plan for a national security law in Hong Kong has raised concerns over Washington and Beijing’s possibly reneging on their Phase 1 trade...