Trump’s trade brinkmanship imperils market stability

As the United States and China inch toward formalizing the outcomes of their recent economic talks in London, markets are sending a clear signal: they want stability, not another season of tariff theatrics. Yet the Trump administration’s renewed protectionist tilt, including the looming July 9 deadline for punitive tariffs, risks derailing a fragile recovery and undermining American economic resilience.

The London meetings followed a call between President Trump and Chinese President Xi Jinping...