铝价持续上行，电解铝盈利延续扩张

Group 1: Aluminum Market - The logic of aluminum shortage is expected to gradually materialize, leading to an upward cycle in aluminum prices, with electrolytic aluminum profits continuing to expand [3] - Shanghai aluminum price increased by 1.48% to 22,000 yuan/ton, and the profit margin for electrolytic aluminum rose by 5.40% to 6,051 yuan/ton [3] - Inventory levels show an increase in London aluminum stock by 0.57% to 552,400 tons and Shanghai aluminum stock by 1.38% to 114,900 tons, while domestic spot inventory decreased by 0.16% to 619,000 tons [3] Group 2: Copper Market - Copper prices are expected to remain volatile due to macroeconomic factors, with London copper, Shanghai copper, and US copper showing respective changes of +0.99%, +1.12%, and +1.86% [2] - Domestic copper inventory is decreasing, with London copper at 136,000 tons, New York copper at 381,000 short tons, and Shanghai copper at 109,000 tons, showing changes of -0.13%, +3.23%, and -4.89% respectively [2] - The operating rate for electrolytic copper rods increased by 4.91 percentage points to 66.88% [2] Group 3: Lithium Market - Lithium demand has exceeded expectations, with lithium carbonate prices rising by 5.91% to 85,200 yuan/ton and spodumene concentrate increasing by 8.52% to 1,006 USD/ton [4][5] - Lithium carbonate production reached 21,500 tons, reflecting a slight increase of 0.1%, while weekly inventory decreased by 2.8% to 120,500 tons [4][5] - The lithium sector is expected to see a profit turning point as inventory continues to decline [5] Group 4: Cobalt Market - The tight supply of cobalt raw materials remains unchanged, with cobalt prices expected to continue rising, as MB cobalt increased by 0.53% to 23.65 USD/pound and domestic cobalt prices rose by 3.39% to 397,000 yuan/ton [5] - The Democratic Republic of Congo has lifted its cobalt export ban, transitioning to a quota system, but current export approvals are still pending, indicating a continued tight supply in the short term [5]