Corn, soybean prices dive on warm weather forecasts

Other energy futures also fell. May gasoline futures dropped 2.08 cents to $2.9685 a gallon, while May heating oil futures fell 0.23 cent to $3.29 a gallon.

In precious metals, gold futures rebounded from Friday's sharp decline after the dollar weakened against the euro, enhancing the metal's appeal as a hedge against inflation.

Gold for June delivery rose $2.40 to settle at $917.60 an ounce on the Nymex, after earlier rising as high as $931.90.

Other precious metals traded lower Monday. Silver for May delivery lost 46 cents to settle at $17.360 an ounce, while May copper fell 2.2 cents to $3.866 a pound.