Group 1 - The core point of the article highlights the decline in three-month copper prices due to a stronger dollar and increased metal supply in exchange inventories, with copper closing at $13,044.50 per ton, down $433.50 or 3.22% [1][2] - The copper market has seen a cumulative decline of 10% since reaching a historical high of $14,527.50 per ton, driven by speculation from precious metals markets and concerns over weak demand and rising inventories [3] - The LME copper inventory has increased to its highest level since March 2025, reaching 155,725 tons, further intensifying pressure on copper prices [6] Group 2 - Other base metals also experienced fluctuations, with three-month nickel down 0.39% to $17,379 per ton, while Goldman Sachs raised its 2026 nickel price forecast due to a decrease in Indonesian nickel supply [7][8] - Three-month aluminum fell by 1.19% to $3,069.50 per ton, and three-month zinc decreased by 0.88% to $3,309.00 per ton, indicating a general downward trend in base metal prices [8] - Three-month lead saw a slight increase of 0.15%, closing at $1,966.50 per ton, while three-month tin dropped by 3.9% to $48,160 per ton [9][10]