Copper - Copper prices have stabilized slightly overnight, with domestic refined copper maintaining an import window closure status [3][13] - The US ISM manufacturing index for January rose to 52.6, significantly exceeding expectations and reaching the highest level since February 2022, driven by robust growth in new orders and output [3][13] - China's January manufacturing PMI rose to a three-month high of 50.3, with sales prices increasing for the first time in 14 months [3][13] - LME copper inventory decreased by 300 tons to 174,675 tons, while Comex inventory increased by 1,859 tons to 525,967 tons [3][13] - The market is facing short-term price pressure due to weak fundamentals, accumulating inventory, and a demand vacuum around the Spring Festival, with potential support testing in the range of 95,000 to 100,000 yuan/ton [3][13] Nickel & Stainless Steel - LME nickel fell by 2.91% to $17,045 per ton, while SHFE nickel dropped by 2.83% to 132,670 yuan per ton [14][15] - LME inventory decreased by 756 tons to 285,528 tons, and SHFE warehouse receipts fell by 302 tons to 46,574 tons [14][15] - Despite market sentiment dragging prices down, there are concerns about tight resource supply, which may support boundary costs [14][15] Aluminum & Aluminum Alloy - The price of alumina showed a slight increase, with AO2605 closing at 2,821 yuan per ton, up 1.18% [16] - SHFE aluminum experienced a decline, with AL2603 closing at 23,520 yuan per ton, down 2.12% [16] - Recent regional alumina maintenance has led to supply disturbances, causing inventory to gradually accumulate [16] Industrial Silicon & Polysilicon - Industrial silicon prices showed a slight decline, with the main contract closing at 8,795 yuan per ton, down 1.18% [17] - Polysilicon prices also fell, with the main contract closing at 47,050 yuan per ton, down 1.66% [17] - The supply of silicon ore is shrinking as companies enter winter maintenance, impacting overall supply [17] Lithium Carbonate - Lithium carbonate futures dropped to 132,440 yuan per ton, with battery-grade lithium carbonate prices falling by 7,500 yuan to 160,500 yuan per ton [18] - Weekly production decreased by 648 tons to 21,569 tons, with lithium spodumene production down by 670 tons [18] - The market sentiment is currently negative, with prices under pressure, but strategic stocking demand from downstream may provide some support [18]