NEW YORK—Wall Street stocks sold off sharply on March 22, with all three major U.S. stock indexes posting their biggest one-day percentage declines since Jan. 3, as weak factory data from the United States and Europe led to an inversion of U.S. Treasury yields, fueling fears of a global economic downturn.
Capping five tumultuous days of trading, the S&P 500, the Dow and the Nasdaq were all down for the week.
