Ero Copper Corp. (NYSE: ERO) stock is up 4.12% in pre-market trading on Thursday, July 3, 2025, rising to $18.18 after Tucumã Operation Drives Strong Production Start. This marks a notable increase from the previous closing price of $17.46 recorded on the prior trading day.
Ero Copper Corp. (ERO) announced that the Tucumã Operation in Pará State, Brazil, achieved commercial production effective July 1, 2025. In June, Ero Copper completed commissioning the third filter press and made modifications to the process plant. The operation reached sustained throughput levels exceeding 75% of design capacity.