$ETH On April 7, 2025, Trump's chief economic advisor Kevin Hassett released a key signal of policy shift. This 'economic hawk', who once led the 301 tariffs against China, suddenly stated: 'We need to recalibrate our tariff strategy; it's time to cool down the overheating economy.' This statement quickly triggered global market turbulence, with the Nasdaq China Technology Index rising 3.2% in a single day, and soybean prices on the Chicago futures exchange reaching a three-month high.