Copper prices are declining Monday morning, trading data show.

March futures for copper on the Comex exchange fell by 0.67% to $4.2058 per pound (about 0.45 kilograms).

At London Metal Exchange (LME), on Friday, copper 3-months' supply contracted by 0.71% to $9,263.5, aluminum 0.45% to $2,627, zinc 2.09% to $3,413.5.