Chicago corn futures fell more than 3.9%, soybeans fell more than 2.7%, investors are watching Trump's tariffs.

On Monday, the Bloomberg Grains Subindex fell by 2.78% in the final trading session in New York, closing at 29.9218 points. CBOT corn futures dropped by 3.93%, settling at $4.0375 per bushel, trading at low levels throughout the day. CBOT wheat futures decreased by 1.44%, closing at $5.4875 per bushel. CBOT soybean futures fell by 2.72%, settling at $10.2075 per bushel, while soybean meal futures dropped by 1.98% and soybean oil futures fell by 1.50%.