Copper futures settled down on Thursday as the US dollar strengthened against its major peers, while rising inventories in exchange warehouses also dampened copper prices. Meanwhile, investors are cautiously awaiting signs of progress on talks to raise the US debt ceiling in Washington.
Copper futures for July delivery lost $0.0650 to settle at $3.6895 a pound on the Comex metals division of New York Mercantile Exchange. Copper on the London Metal Exchange was down by 1.56 percent at $8,172.50 a ton.