Here are the prices of some key commodities traded in New York on Tuesday:
Crude oil prices slid $1.94 to end at $75.67 a barrel.
Coffee futures rose more than 3 cents to close at $2.27 a pound.
Copper prices dropped more than 4 cents to close at $3.09 a pound.
Cocoa futures increased $17 to settle at $2,592 a ton.
In Chicago trading, the price of wheat declined 16 cents to close at $6.03 a bushel.
The price of rice lost 12 cents to finish at $15.88 per hundredweight.