U.S. stocks slumped as worries flared again on Wall Street about tariffs and inflation. The S&P 500 fell 0.9% Friday and wiped out what had been a modest gain for the week. The Dow Jones Industrial Average sank 1%,

A fresh look at the pace of inflation will test the U.S. stock market in the coming week, as investors worry that President Donald Trump's tariff plans are endangering Wall Street's hopes for interest rate cuts this year.

Some calm is returning to Wall Street, and U.S. stock indexes are making only modest moves after much of Europe and Asia rose earlier in the day