BHP Group’s shares retreated sharply after the miner warned that copper production would fall by up to 15% in the coming year.

The guidance cut, driven by an unexpected mechanical failure in South Australia and declining ore grades in Chile, erased approximately $6 billion from the company’s market capitalization, halting a record-breaking rally fueled by strong commodity demand.

While BHP reported record iron ore volumes, the copper shortfall is a critical blow to its growth narrative.

The setback underscores the operational fragility facing major miners even as copper prices trade at historic highs.

While BHP reported record iron ore volumes, the copper shortfall is a critical blow to its growth narrative.

Investors are now reassessing the reliability of supply from one of the world’s largest producers, particularly as the energy transition drives structural demand for the metal.

The dual challenges of mechanical breakdowns and geological grade declines suggest that near-term supply growth may be more constrained than previously modeled.