Grain prices, including corn and soybeans, experienced a downturn following the Trump-Xi summit. Corn slipped up to 1.7% in Chicago, while soybeans declined. Wheat dropped 2.1% to its lowest level since August 26. This market reaction was largely attributed to the lack of new specific commitments from China regarding U.S. agricultural purchases, including corn, sorghum, wheat, cotton, beef, dairy, and hogs. Traders had anticipated announcements of increased buying or significant tariff cuts, which did not materialize during the high-profile meeting.

Although the summit extended a trade truce through January 10, 2027, and Treasury Secretary Scott Bessent noted China is progressing toward its existing 25 million metric ton soybean commitment, no new numerical targets for soybeans or other farm goods were confirmed. The U.S. Trade Representative Jamieson Greer later indicated that a bilateral Board of Trade agreement would reduce tariffs on selected nonsensitive goods, including agricultural products, with more details expected on Monday, September 28. However, this potential relief was not immediately clear or comprehensive enough to assuage market concerns during the summit.

The current market situation highlights a significant tariff disadvantage for U.S. soybeans, which face a 13% Chinese duty compared to 3% for Brazilian supplies. The absence of confirmed immediate tariff relief or new purchase commitments led traders to remove a "China premium" that had been built into grain prices. The market is now looking for concrete purchase volumes and shipment schedules to sustain a demand-driven rally, with export sales reports showing weak performance, including soybean sales significantly below expectations.

China remains crucial for U.S. agricultural demand. While China is reportedly over halfway to its 25 million-ton soybean target, progress on a broader $17 billion crop spending pledge has stalled. The market's disappointment stems from the lack of immediate, tangible outcomes from the summit that would boost U.S. agricultural exports. The anticipated Monday announcement by Greer on tariff relief for selected farm trade items could offer some future benefit, but the immediate reaction reflected unmet expectations.