The cost of copper fluctuated slightly at the level of the previous close on Tuesday morning, according to trading data.

September futures for copper on the Comex exchange fell 0.01% to $3.5667 per pound (about 0.45 kilograms).

At the London Metal Exchange (LME), following the results of previous trading, the cost of a ton of copper with delivery in three months decreased by 0.52%, to $8,006, aluminum - increased by 0.82%, to $2,464, zinc - rose by 2.94 %, up to $3,118.