After meeting with the Brazilian president on Monday, the WTO's chief reportedly warned about the risks of retaliation to US plans to slap tariffs on steel and aluminum imports.
Norway's Hydro said there are no indications of leaks or overflow from the bauxite residue deposit areas.
ArcelorMittal, which has large operations in Latin America, was the biggest loser, but Gerdau, CSN and Usiminas from Brazil, and Chile's CAP, were among the most impacted companies.
Chile's state copper corporation Codelco has 49% of the Llurimanga project and Ecuador's national mining company Enami-EP 51%.
The Chilean nuclear energy commission gave the company a 30-year permit to extract 88,885t/y of lithium metallic equivalent.