Here are the prices of some key commodities traded in New York on Monday:
Crude oil prices slid $2.26 to end at $85.70 a barrel.
Coffee futures dropped less than a cent to close at $2.63 a pound.
Copper prices dropped nearly 15 cents to end at $3.77 a pound.
Cocoa futures fell $76 to close at $2,716 a ton.
In Chicago trading, wheat prices fell 15 cents to finish at $6.73 a bushel.
Rice prices dropped 50 cents to end at $17.39 per hundredweight.