C hina posted another record high number of Covid infections on Monday, after an extraordinary weekend of protests across the country over restrictive coronavirus curbs, in scenes unprecedented since President Xi Jinping assumed power a decade ago. In Shanghai, demonstrators and police clashed on Sunday, with police taking away a busload of protesters, with the BBC saying that police assaulted and detained one of its journalists covering the events before releasing him after several hours. Stocks and oil slid sharply on Monday as the rare protests raised worries about the management of China's zero-Covid policy and its impact on the...