Rapid growth in global lithium demand and climbing prices have sparked an increase in research and the presentation of a raft of new projects to produce the white metal in Brazil.
Companies in Mexico and Guyana published results from their exploration activities.
The economy ministry will target steel, pork and fruit imports in retaliation against the US decision to impose steel and aluminum tariffs on the Latin American country.
Companies issue project and financing updates relating to silver, gold, lead, zinc and copper assets in Peru and Mexico.
HR Ratings assigns Mexico's Minera Frisco a long-term 'HR A' rating, reflecting a renewed focus on copper, zinc and lead production.