Copper prices edged down on Thursday, tracking a downturn in Asian equities and the euro, as worries about the eurozone debt crisis and a faltering US economy undermined confidence. The most-active November copper contract on the Shanghai Futures Exchange edged down 0.1 percent to close at 67,720 yuan per tonne.
"The market is cautious ahead of a series of data on China this week, including CPI figures, which many are pessimistic about," Shanghai CIFCO Futures analyst Zhou Jie said.