Soybeans traded on the Chicago Board of Trade (CBOT) experienced a significant decline on Thursday, with the July and August contracts falling 2.46% and 2.54%, respectively, due to a combination of factors. The drop was largely driven by rumors about the US EPA's biofuel policy and negative fundamentals such as lower soybean crushing, increased oil stocks, and decreased foreign sales. However, soybean meal prices saw a positive trend, indicating some demand for vegetable protein.