Copper is rising as buyers for the metal emerged after it fell to a seven-month low.
May copper rose 4.1 cents, or 1.2 percent, to $3.4465 per pound. The contract closed at $3.405 Tuesday, its lowest price since Aug. 20.
The price of copper, which has a range of industrial uses, typically tracks the outlook for economic growth.
In other metals trading, gold and silver edged lower, while platinum and palladium rose.
Wheat, corn, and soybeans contracts also finished higher.