Aujourd'hui, le prix copper has declined. Fears about demand in China, the main consumer country, have been reinforced by Chinese real estate giant Country Garden, which has warned that its ability to meet its offshore debt obligations faces “significant challenges.”

At 10:22 GMT, the benchmark copper on the London Metal Exchange (LME) was down 1% to $8,027 per metric ton. Prices of metal used in the energy and construction industries reached their highest level in a week, at 8,146 dollars, thanks to purchases by the Chinese after a week of vacation.

Aluminum fell by 0.4% to $2,232 per ton, zinc fell by 1.9% to $2,465, lead fell by 1% to $2,109, tin lost 2.7% to $24,450, and nickel fell by 1.2% to $18,700.