The London Metal Exchange three-month copper price ended more than 4% higher on Friday 21 September, with the rest of the complex also rallying.
Copper peaked at $6,364.50 per tonne, its highest since late in July, in active trading - more than 29,000 lots had changed hands by the 5pm London close. "The main macro catalysts include the renewed weakness in the dollar (despite the yield on the US Treasury 10-year surging above 3%) and the sharp appreciation in the yuan," Boris Mikanikrezai, Metal Bulletin analyst, said."Other catalysts include expectations of more fiscal stimulus from China after the government unveiled a slew of steps to boost domestic demand earlier this week. This has lifted risk appetite in China...