Op-Ed: Lithium’s threat isn’t demand, but pricing Battery substitutes are advancing, but the bigger challenge for producers is slower growth and tighter margins. Juan Ignacio Guzmán, GEM Mining Consulting | June 9, 2026 | 6:58 am
Op-Ed: Copper rally masks smelting power shift Midstream stress deepens as smelters face collapsing fees and rising concentration risk despite strong copper demand outlook. Juan Ignacio Guzmán, GEM Mining Consulting | March 18, 2026 | 7:46 am