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.

Wall Street is mixed in light trading early as anxiety dissipated somewhat after President Donald Trump agreed to a 30-day pause on his tariff threats against Mexico and Canada