SA platinum shares drop on Zimbabwe ultimatum

Apple's statement came in response to a criminal complaint filed earlier in the day against the company in France and Belgium.

Jimena Blanco, chief analyst at Verisk Maplecroft, says that geopolitical tensions are causing major shifts in global mining policies.

International lawyers said that Apple uses minerals pillaged from Congo and laundered through international supply chains.

Hummingbird has flagged continued challenges around operational performance at its two African mines.