This was the strongest quarter in its 15-year history as a copper producer.

The state's top court ordered the Minnesota Department of Natural Resources to hold a new hearing regarding permits for a tailings dam facility at the proposed mine.

Grupo Mexico registered a net profit of $1.1 billion in this year's first quarter.

Sky-rocketing copper prices, combined with a major bump in economic activity expected as a result of its fast-paced vaccination drive could see Chile's gross domestic product jump 6% in 2021.

Profits jumped more than fivefold year-on-year in Q1 on the back of booming prices for the red metal.

There are signs that China is already tightening credit, which may result in slower spending on copper intensive infrastructure and construction projects.