Antofagasta produced 143,000 tonnes copper in Q1 2026, 8% YoY decline but beat consensus of 138,000 tonnes.\\nCopper sales fell 19.5% YoY to 137,000 tonnes, while net cash costs dropped 30% to $1.08 per pound.\\nBy‑product credits rose 104% to $1.69/lb, offsetting a 17% increase in cash costs before credits; gold price up 70% to $5,264/oz.\\nShares jumped 3% after results; full‑year copper guidance unchanged at 650‑700k tonnes, net cash cost $1.15‑$1.35/lb and $3.4bn capex.