Core Viewpoint - The U.S. Department of Commerce has initiated anti-dumping and countervailing investigations into silicon metal imports from several countries, responding to a petition from U.S. companies Ferroglobe USA, Inc. and Mississippi Silicon LLC [1] Group 1: Investigations Initiated - The investigations target silicon metal imports from Angola, Australia, Laos, and Norway for anti-dumping [1] - Additionally, countervailing investigations are focused on silicon metal imports from Australia, Laos, Norway, and Thailand [1]