Copper long speculators are at risk of a price pull-back due to a delayed pick up in Chinese demand in its traditionally strong industrial consumption season.
Despite gold's price slump, strong copper and iron ore prices lifted MINING.COM's ranking of the world's 50 most valuable miners to a new record high of $1.35 trillion.
Company is not building or investing in a previously planned project to make refined copper from scrap in eastern Malaysia, chairman Zheng Gaoqing said.