化工龙头ETF（516220）涨超2.6%，供需格局改善或支撑行业景气回升

Group 1 - The chemical industry is currently in a recovery phase from the cyclical bottom, with the chemical price index expected to stabilize, indicating an overall bottoming period for the industry [1] - Low inventory levels combined with gradually recovering demand will drive downstream companies to replenish stock, leading to a rebound in industry profitability [1] - The chemical industry's PE valuation is historically high, while the PB valuation is close to the bottom levels of 2019 and 2024, suggesting significant upside potential for the industry [1] Group 2 - Emerging application areas such as AI, OLED, and robotics are becoming new growth engines for the industry, with semiconductor materials expanding due to demand from computing power [1] - Core materials like photoresists and wet electronic chemicals are experiencing a phase of "demand expansion + accelerated domestic substitution" [1] - In the petrochemical sector, the "Big Three" oil companies demonstrate profit resilience during periods of declining oil prices [1] Group 3 - Leading companies in the basic chemical sub-industry are expected to continue increasing market share due to their scale and technological advantages amid structural capacity optimization [1] - The chemical leader ETF (516220) tracks a specialized chemical index (000813), which selects high-quality listed companies from various sub-sectors of the Chinese chemical industry to reflect the overall performance of high-growth and stable-profitability chemical enterprises [1] - The index components focus on leading companies with innovation capabilities and market competitiveness across various sub-fields, fully reflecting the development trends and characteristics of the chemical industry [1]