Trump doubles tariff duty impact as U.S. adds another 100% levy on Chinese imports effective November 1

The United States escalated trade tensions as President Trump announced an additional 100% tariff on Chinese imports effective November 1, taking combined trade levies to approximately 130% on impacted categories. Economists said this introduces heavier cost shocks into supply chain costing models with renewed manufacturing re-routing incentives. Global markets reacted with volatility spikes and risk-off flows across emerging market trade exposure. Industry watchers expect multinational companies to accelerate contingency diversification and alternative sourcing strategies to reduce tariff dependency across sensitive commodity and technology linked import classes.