需求预期或上调，铝价强势突破创新高

Group 1: Aluminum - The price of alumina remains stable at 2685 yuan/ton, with metallurgical-grade alumina production capacity reaching 88.689 million tons/year and a weekly operating rate increase of 0.55 percentage points to 80.39% [1][3] - The short-term supply-demand fundamentals for alumina continue to show an oversupply, with inventories accumulating and spot prices remaining weak [1][3] - Domestic electrolytic aluminum prices increased by 1.59% to 22,700 yuan/ton, while London aluminum prices rose by 1.79% to 3,010 USD/ton, with electrolytic aluminum margins increasing by 7.18% to 6,862 yuan/ton [3] Group 2: Copper - Copper prices experienced fluctuations after reaching historical highs, with weekly changes in London copper, Shanghai copper, and US copper prices being +2.39%, -0.49%, and -2.62% respectively [2] - Domestic copper inventories saw a significant accumulation, with social inventories of electrolytic copper at 238,900 tons, a 23.40% increase [2] - The supply-demand balance for copper may shift from tight equilibrium to shortage due to insufficient capital expenditure in copper mines and frequent supply disruptions [2] Group 3: Lithium - Lithium carbonate prices increased by 5.90% to 118,500 yuan/ton, while lithium spodumene prices rose by 3.89% to 1,548 USD/ton, indicating a positive trend in lithium prices [4] - The supply of lithium carbonate increased by 1.2% to 22,400 tons, with SMM weekly inventory decreasing by 0.2% to 109,600 tons, marking 20 consecutive weeks of inventory reduction [4] - The demand for lithium batteries remains strong, with expectations for continued growth in lithium demand despite seasonal trends [4] Group 4: Cobalt - Cobalt prices are expected to continue rising, with MB cobalt increasing by 1.53% to 24.88 USD/pound and domestic cobalt prices rising by 10.11% to 490,000 yuan/ton [5] - The Democratic Republic of Congo has lifted its cobalt export ban, implementing a quota system instead, which may affect the supply chain in the near future [5] - The structural tightness in cobalt raw materials remains unchanged, supporting the outlook for rising cobalt prices [5]