SINOLINK SECURITIES·2025-07-19 11:16Investment Rating - The report suggests a positive outlook for the AI PCB industry chain, indicating it is in an upward phase of prosperity, with attractive valuations for leading companies in the sector [1][2][3] Core Insights - The AI PCB industry is expected to see a correction in market expectations as leading companies report better-than-expected performance, despite recent stock price increases [1][2] - The report emphasizes the importance of monitoring the "anti-involution" trend, highlighting recent government actions and discussions that may impact various industries, including the automotive sector [1][2] - The chemical sector is currently at a stage where it is advisable to increase allocations, particularly in leading companies that are at the bottom of the cycle in terms of inventory, valuation, and expectations [1][3] Summary by Sections Market Review - The chemical market has shown strong performance, with the SW Chemical Index rising by 1.77%, outperforming the CSI 300 Index by 0.68% [2][11] - Key events include the suspension of certain production lines by Korean companies and price increases in TDI due to supply disruptions [2][4] Recent Views from the Chemical Team - The report recommends gradually increasing positions in the sector, focusing on technology materials and price-increasing products like nitrocellulose and glyphosate [3][28] Key Chemical Product Price Changes - The report details significant price movements in various chemical products, with notable increases in TDI prices and stable prices in other segments [2][29][34] Important Industry Information - The report highlights major events affecting the industry, including production suspensions and price adjustments due to supply chain disruptions [4][28]