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

(Corrects first paragraph to show it was the Nasdaq’s biggest one-day drop since September 2020, not September 2008)* Nasdaq closes at lowest since late 2020* World, European shares give back earlier gains* China stocks fall further as Beijing races to battle COVID* Dollar hits fresh 2-year peak on China COVID fears, Fed bets* Graphic: Global…