U.S. stock indexes slid Monday as dozens of new cases were discovered in Beijing, prompting renewed lockdown measures. Meanwhile, cases are still rising in several U.S. states that have reopened their economies.

The Dow Jones Industrial Average was down 427 points, or 1.7%, and the broader S&P 500 index fell about 1.1%. Renewed volatility has returned to the markets. Just on Friday, U.S. indexes surged, with the Dow soaring 477 points. A day earlier, the Dow plunged 1,861 points.

Stock markets also fell in Asia and Europe on Monday.

Nearly 80 new cases of the coronavirus have been found in Beijing since Thursday, raising fears of a second wave of infections in the Chinese capital.

In the U.S., cases are surging in many states that have lifted lockdown orders, raising fears that an economic recovery will stall if lockdowns resume. Florida is seeing an average of more than 1,600 new cases per day and Arizonaand North Carolina are seeing an average of more than 1,200 new cases per day.

Copyright 2020 NPR. To see more, visit https://www.npr.org.