Ge Long Hui A P P·2025-08-14 09:13Group 1 - The core viewpoint of the article highlights a collective decline in U.S. copper stocks, with major companies like Rio Tinto and BHP experiencing notable pre-market drops due to revised copper production forecasts from Chile's National Copper Corporation [1] - Chile's National Copper Corporation has significantly lowered its 2025 copper production growth forecast to 1.5%, which is half of the previously predicted 3% increase made in May [1] - The downward revision in production growth is attributed to decreased output from major mines, specifically BHP's Escondida mine and the joint-operated Coya Sur mine by Anglo American and Glencore, which saw a decline in June production [1] Group 2 - Pre-market performance shows Rio Tinto down nearly 2% at $63.570, BHP down 1.4% at $54.730, Freeport-McMoRan down 0.54% at $42.740, and Southern Copper down 0.20% at $99.500 [1] - The article provides specific stock price changes and percentages, indicating a broader trend of declining investor confidence in copper-related equities amid production concerns [1]