The price of copper is up 1% Monday morning, trading data show. Quotes are supported by optimism about demand in China and the depreciation of the dollar against world currencies.

March futures on copper at Comex exchange went up 1.18% to $3.9695 a pound (about 0.45 kilograms).

At the end of trading on the London Metal Exchange (LME) on Friday, the cost of a ton of copper with delivery in three months rose by 2.57% to $8,589.5, aluminum - 1.77%, to $2,295.5 and zinc - 0.62%, to $3,023.5.