Copper slips

Melbourne :London nickel and copper futures edged back towards multi-week lows on Thursday, reflecting investor worries over a recent spate of data that showed China´s economy cooled in October.
"The weak economic data in China earlier this week has sparked some concerns about demand for stainless steel and nickel in coming months," ANZ analysts said in a report.
"This was enough for investors to lock in some gains after the 20-percent rally in prices over the past couple of months."
London Metal Exchange nickel had fallen 0.7 percent to $11,610 a tonne by 0725 GMT, extending a decline that began after the metal hit two-year highs at $13,030 on Nov.1.
Nickel´s rally was driven by short-covering and investors anticipating potential battery sector demand, said CRU´s Peter Peng in Beijing.