Copper prices slipped on Friday on concern over surplus supplies and sluggish demand in top metals consumer China, where the currency is also weakening. Three-month copper on the London Metal Exchange fell 1.5% to $9,715 a metric ton by 1000 GMT after three days of gains. The metal used in power and construction has shed 13% since touching a record peak above $11,100 last month. “The market has been trying to figure out whether the correction phase is coming to an end, but I think it’s still too early to call a turnaround,” said Ole Hansen, head of commodity strategy at Saxo Bank in Copenhagen. “We need data, ... (full story)