It’s a particular challenge for Russia’s economy, which is heavily dependent on oil and gas production and mining.

Plans underway to expand from tracing cobalt into other key battery metals, tungsten, tantalum, tin and gold.

Nyrstar’s history of financial troubles dates back to around 2010, when management embarked on a debt-fueled run of mining acquisitions.

Russia's biggest gold producer plans to significantly increase its capital expenditure plans for 2020.

UK judge ruling bolsters the Serious Fraud Office in one of its longest-running and most sensitive investigations

The decision represents a blow to Italy's ruling coalition, which had hoped to dissuade the steel giant from pulling out of the contract, and will raise questions about the country's reliability as a partner for foreign investors.

Shares of Euro Sun jumped more than 15% during Monday's trading session.