The Shanghai Composite fell 1.3% to below 3,280 while the Shenzhen Component lost 1.6% to 12,245 on Monday, after Shenzhen has gone into a week-long lockdown intended to slow a Covid outbreak, raising global supply chain concerns as the city houses China’s technology and logistics industries. The city of 17.5 million residents ordered employees to work from home and businesses outside of those providing daily necessities to close.