The Brazilian steelmaker sees the installed capacity utilization growing for its US operations after the Trump administration imposed tariffs on steel imports.
Companies issue financing and corporate updates relating to gold, copper and silver assets in Mexico and Venezuela.
Now, the Norwegian group expects to close the deal by the end of May.
Companies in Argentina and Peru gave updates on drilling campaigns, and a company in Brazil said it has identified new gold targets.
Foreign trade department Secex said that preliminary investigations indicated that imports from China, the United Arab Emirates and India significantly hurt the domestic industry.