Copper prices declined on Tuesday for the second consecutive trading session, trading data show.

December futures for copper on the Comex exchange fell 0.63% to $3.4125 a pound (about 0.45 kilograms).

At Monday's trading on the London Metal Exchange (LME), the cost of a ton of copper with delivery in three months also declined - by 0.89% to $ 7,556, aluminum - on 1.41%, to $2,175, zinc - rose by 1.02% to $2,958.