Mexico's gold shipments rise on higher prices, with silver slipping on lower output and prices.
Companies in Peru, Honduras and Mexico updated results from their drilling campaings.
Companies issue financing, asset acquisition and development updates relating to primary zinc, silver and gold properties in Mexico and Brazil.
The investigation was requested by local steel tube producers Aperam and Marcegaglia in January last year on claims the companies were being hampered by imports.
The miner asks the Canadian government to urge its Mexican counterpart to re-establish the rule of law at its Peñasquito project, where truckers are obstructing access.