What are the reasons why CBOT soybeans have fallen to their lowest level in nearly four years?

Gold Ten Futures, July 16, according to foreign media reports, on Monday, CBOT soybean futures closed down, with the benchmark closing down about 2.5%, falling to the lowest level in nearly four years, due to the strong outlook for soybean production in the Midwest of the United States, the market is worried about soybean demand. Weather agency Maxar said that the rain in the Midwest of the United States last week exceeded expectations, which is conducive to the growth of corn and soybeans. Trump is more likely to win re-election after the assassination attempt. Trump's second term may herald trade tensions between the United States and China, which has triggered lower soybean and manufactured goods markets.