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

Commodity prices fell sharply as concerns deepened about economic weakness in the United States and Europe.

Crude oil prices plunged more than $4 to close at $87.84 per barrel.

Coffee prices dropped more than 6 cents to finish at $2.36 a pound.

Copper prices dropped 9 cents to end at $4.23 per pound.

Cocoa futures fell $11 to finish the day's trading at $2,905 per ton.

In Chicago trading, wheat prices fell 29 cents end at $6.82 a bushel.

Rice prices dropped 10 cents to close at $16.25 per hundredweight.