The precious metals miner said that 3,904 were permanent positions, while 1,366 were contractors.

The international refined copper market ended the first half of 2019 with a supply shortfall of about 220,000 tonnes.

The owner of Africa’s biggest copper mine is headed for the biggest loss in seven weeks.

Recovery demonstrates the quality of Petra's asset base, as the Cullinan diamond mine remains a significant source of rare blue diamonds, said the company.

New study shows despite ongoing thrifting efforts, cobalt use per electric vehicle sold around the world this year is up 45%.

"Any signs of stimulus from the Chinese auto market could lead to additional upside price potential."