The United States and China agreed Monday to drastically roll back tariffs on each other’s goods for an initial 90-day period, in a surprise breakthrough that has de-escalated a punishing trade war and buoyed global markets.

Stocks popped in early trading Monday after the United States and China agreed to dramatically lower tariffs for 90 days. The S&P 500 surged 2.8 percent, the Dow Jones Industrial Average jumped 2.3 percent,