Hong Kong insurer shares drop after a report says Chinese tax authorities are starting to levy personal income tax on returns from offshore insurance policies. The move is described as part of broader efforts by authorities in mainland China to increase scrutiny of cross-border or offshore investment arrangements. Investors appear to be reacting to the potential for higher tax costs or reduced after-tax returns for policyholders holding insurance products issued or administered offshore. The reported development is also framed as another sign of tighter oversight in China’s treatment of offshore financial income. While the report points to tax enforcement beginning for offshore policy returns, details such as the exact scope, affected policy types, and timing are not specified in the available summaries. The sell-off reflects uncertainty around how such tax changes could affect demand for offshore insurance products and the operating outlook for insurers with exposure to that business. Overall, the reports link the market decline directly to concerns over increased tax pressure rather than to any specific change in company fundamentals.