Copper last week hit a year-to-date low of $5,518/tonne in the London market as the macroeconomic picture becomes ever gloomier.

China's unwrought copper imports fell in August after a bounce in the previous month.

Resurgent investor demand for platinum will drive overall consumption of the metal up 9% this year, the World Platinum Investment Council (WPIC) said on Friday.

Shipments to China jumped to 38.14 million tonnes in August from 34.53 million tonnes in July.

A World Nuclear Association report released on Thursday showed that world uranium production dropped from 62,200 tonnes in 2016 to 53,500 tonnes in 2018.

GlobalData also predicts silver output in 2019 will continue to decline to 913.5 million oz.