Here are the prices of some key commodities traded in New York on Friday:

Crude oil prices slid 66 cents to end at $79.85 a barrel.

Coffee futures dropped nearly 8 cents to close at $2.31 a pound.

Copper prices fell nearly 21 cents to close at $3.27 a pound.

Cocoa futures dropped $46 to close at $2,634 a ton.

In Chicago trading, the price of wheat rose 7 cents to finish at $6.41 a bushel.

Rice prices dropped 18 cents to end at $16.49 a hundredweight.