Copper futures ended lower on Thursday as speculators booked their profits amid worries about industrial demand, while US Federal Reserve's decided to keep its monetary policy very accommodative.
Copper futures for May delivery lost to $0.0110 to settle at $4.4865 a pound on the Comex metals division of New York Mercantile Exchange. Copper on the London Metal Exchange was up 0.09% at $9,885.00 a ton.