Copper futures ended lower on Monday as the US dollar strengthened ahead of a widely expected Federal Reserve interest rate hike. Moreover, weaker-than-expected manufacturing data from China weighed on commodity prices.
Copper futures for December delivery lost $0.0540 to settle at $3.3750 a pound on the Comex metals division of New York Mercantile Exchange. Copper on the London Metal Exchange was down 1.32 percent at $7,450 a ton.