Southern Copper Corp's stock experienced a significant pre-market decline of 6.22%, reflecting investor concerns about the company's future production outlook and broader market dynamics for copper.

The plunge follows Southern Copper's forecast of a 5% decline in its copper production for 2026, raising questions about the company's output capabilities. Additionally, analysts have expressed concerns about potential copper price corrections driven by speculative inflows rather than fundamental demand growth, with particular attention to weakening consumption in China and potential U.S. tariff decisions that could impact the global copper market.

While copper prices recently reached record highs, the volatility in the metal's pricing and uncertainty around future demand-supply dynamics appear to be weighing on mining stocks like Southern Copper Corp, leading to the substantial sell-off during the pre-market session.