Lonmin Plc, the world’s third-biggest platinum producer, may ask third parties to process the ore it mines to boost sales after shutting down a South African furnace for repairs. “It’s something we’re ...

Platinum is the rarest of the world’s metals. Annually, only about 133 tons of platinum are extracted from earth, compared to around 1,800 tons of gold. Rarity isn’t the only reason platinum is prized ...