Soybeans, corn, and wheat prices were all lower due to fund and technical selling. Brazil's soybean and corn crops are expected to be record large, but there are harvest delays. Argentina's crop estimates have been reduced. Chinese crush volumes are down due to tight supplies. Corn exports from the US are improving, but remain behind last year's pace. Russia and Ukraine continue to dominate the wheat export market. The Black Sea Grain Initiative is set to expire, and concerns about drought in the southwestern US Plains are secondary to good weather in most other wheat-growing areas.