Alumina owns about 40% of of Alcoa World Alumina & Chemicals, the world’s largest producer of the metal.

The miner reported record annual revenue of $1.69 billion.

Poor ground conditions at Obuasi in Ghana and a carbon-in-leach tank failure at Siguiri, Guinea, had an adverse impact on gold production.

The environmental secretary of Para state suspended environmental licenses for Onça Puma and Sossego mines.

In a case of history rhyming, critical metal developers sit at the edge of enormous opportunity.

The miner also announced a pay out to shareholders of about 2.74 reais ($0.5520) per share.

The complication for Nippon Steel is that regulators may look unfavorably on whether its acquisition of US Steel could allow more access to US markets for Chinese-sourced steel.