Key Takeaways Freeport advances major expansion projects but faces lower volumes and rising costs.Ero Copper posts record output and targets growth, driven by Tucuma ramp-up and Caraiba gains.Both companies see cost pressures and uneven 2026 production tied to operational and market factors.Freeport-McMoRan Inc. (FCX) and Ero Copper Corp. (ERO) are prominent copper-focused mining companies benefiting from rising demand tied to electrification and infrastructure trends. Also, both are navigating fluctuating ...