Stocks drifted lower last week, weighed down by Federal Reserve Chairman Jerome Powell’s unsettling comments on the economy and signs of renewed tensions with China.

The Dow Jones Industrial Average fell 2.65%, while the Standard & Poor’s 500 retreated 2.26%. The Nasdaq Composite Index slipped 1.17% for the week. The MSCI EAFE Index, which tracks developed stock markets overseas, slid 3.66%.