The cost of copper is declining Monday morning, showing a second consecutive day of decline, trading data shows.

March copper futures on the Comex exchange fell 0.19% to $4.131 a pound (about 0.45 kilograms).

At Monday's close of trading on the London Metal Exchange (LME), the cost of a ton of copper with delivery in three months decreased by 0.88% to $9,104.5, aluminum - rose by 1% to $2,621 and zinc - decreased by 0.59% to $3,304.5.