Donald Trump breaks with China and soybeans plummet: the global grain market enters panic mode

The trade conflict between China and the United States intensified again after Beijing announced a rate of 400 yuan (US$56) per ton for U.S. ships docking in its ports, in response to Washington's measures. The decision, which will be in effect from October 14, could be gradually increased until 2028. The Chinese Ministry of Transport described the U.S. tariffs as a "serious violation of international trade," anticipating a proportional response that could affect maritime transport margins and consumer prices. In response, Donald Trump announced that, starting November 1, 2025, his administration will impose a 100% tariff on all Chinese products and apply export controls on strategic software. With these cross-measures, both countries reignite a dispute that threatens to increase food prices, disrupt logistics chains, and generate greater instability in global financial markets. The market reaction was immediate: soybean futures in Chicago plummeted between 15.75 and 19 points, ...