Benchmark spot gold prices have moved since last Friday's close, with the spread between its highs and lows the narrowest of any week since August 2007.
China's copper imports rose to their highest in 17 months in May as the country's crackdown on scrap leaves it buying more of the metal in other forms.
The battery cell maker is working on the first section of the factory, in Skellefteå in the north of Sweden, which will be completed in 2020 and produce eight gigawatt cell capacity per year.
Labour negotiations in the copper mining industry still left to resolve - including Escondida - represent about 2.6 million tonnes out of global copper supply.