GLOBAL MARKETS-Wall Street tumbles, as European shares again retreat

The MSCI world equity index .MIWD00000PUS fell 13.6 points, or 2.03%, to 655.01.The pan-Europe STOXX 600 index .STOXX closed lower

WASHINGTON/MILAN: U.S. shares tumbled on Tuesday, with the Nasdaq posting its steepest one-day rout since September 2020, while European stocks extended losses for a third session as investors warily awaited U.S. tech earnings and fretted over global growth.

China's COVID-19 curbs and fears of aggressive U.S. Federal Reserve tightening continued to damp risk appetite and lifted the dollar to new two-year highs.