Copper futures ended lower on Wednesday ahead of a key central bank meeting in Europe. Further, a stronger US dollar makes dollar-denominated metals more expensive to holders of other currencies. Slower factory activity in August across major parts of Europe and Asia also adding pressure on copper prices to some extent.
Copper futures for December delivery fell $0.0485 to settle at $4.2330 a pound on the Comex metals division of New York Mercantile Exchange. Copper on the London Metal Exchange was down 1.09 percent at $9,249 a ton.