Copper futures ended higher on Tuesday amid supply concerns after news that workers at the world's top copper producer Codelco in Chile will start a nationwide strike on Wednesday to protest the decision to close a troubled smelter. Although, a spike in Covid-19 cases in world’s top consumer China capped further gains in copper prices.
Copper futures for July delivery gained $0.0255 to settle at $4.0390 a pound on the Comex metals division of New York Mercantile Exchange.