供需缺口扩大 + 新能源需求驱动，稀有金属板块强势上行，稀有金属 ETF（562800）表现亮眼

Group 1 - The core viewpoint of the news is that the rare metals sector is experiencing a significant upward trend, driven by factors such as the surge in lithium carbonate futures and the anticipated supply-demand inflection point in the lithium industry between 2026 and 2027 [1][2] - The Shanghai Composite Index rose by 0.38%, while the CS Rare Metals Index increased by 1.99%, with notable individual stock performances including Western Superconducting rising over 7% and Luoyang Molybdenum up over 3% [1] - The Rare Metals ETF (562800) saw a 2.02% increase, with a trading volume of 166 million yuan and a turnover rate of 3.73%, reflecting a 78.82% increase over the past six months and a 105.98% increase over the past year [1] Group 2 - Supply constraints for key metals like rare earths are becoming more pronounced, with mining expansion cycles lasting 3-5 years and increasing environmental and export control regulations raising extraction thresholds [2] - Current inventories of copper, lithium, and rare earths are at historical lows, making demand increases likely to trigger price elasticity [2] - The Rare Metals ETF (562800) tracks the CSI Rare Metals Theme Index, which includes no more than 50 companies involved in the mining, smelting, and processing of rare metals, with lithium and rare earths accounting for 33.67% and 24.63% of the index's weight, respectively [2]