VANCOUVER, British Columbia--(BUSINESS WIRE)--Capstone Copper Corp. ("Capstone†or the "Company†) (TSX:CS) (ASX:CSC) announced today that Union #2, one of the four unions at the Mantoverde Mine in Chile, representing approximately 50% of Mantoverde employees, or 22% of the total workforce, will take strike action effective January 2, 2026. Prior to the strike notice, Capstone attempted, in good faith, to reach an agreement for a new collective bargaining agreement with Union #2. As a result of. ...