Traders assumed that the week’s biggest news event would be Federal Reserve Chairman Jerome Powell’s speech at the annual Jackson Hole banking conference. Instead, China seized the headlines by announcing new tariffs on U.S. goods.

Domestic stocks ended up lower for the week. The Nasdaq Composite fell 1.83%; the S&P 500, 1.44%; the Dow Jones Industrial Average, 0.99%. International stocks posted a weekly gain: the MSCI EAFE benchmark rose 0.96%.