New York | Beijing’s retreat from its COVID-zero policy is causing chaos in the country’s 29 trillion yuan ($6.1 trillion) market for wealth management products, with some fund managers having to freeze withdrawals or sell down their holdings as they struggle to cope with a rush of redemptions by investors. Half of the country’s 31,000 outstanding fixed-income WMPs have reported a decline in value since the government first signalled that it would relax its strict COVID-19 approach on...