Zheng Quan Shi Bao·2025-10-27 06:04Group 1: CPO Concept Stocks Performance - CPO index experienced a significant rise, with an intraday increase of over 4.70% on October 27, following a previous gain of 5% [1][2] - Several CPO-related stocks reached historical highs, including New Yisheng, Shengyi Technology, and Dongtian Micro, among others [1][2] - The overall A-share market showed strength, with the Shanghai Composite Index nearing the 4000-point mark, reflecting a robust trading environment [1] Group 2: Government Support for AI and Technology - The Chinese government emphasized the importance of artificial intelligence (AI) and innovation during a press conference on October 24, highlighting plans for continued support and development in this area [2] - The Ministry of Science and Technology aims to enhance the foundational research and key technology breakthroughs in AI, focusing on high-performance computing chips and new model algorithms [2] Group 3: Light Machine Sector Activity - The light machine sector also saw substantial gains, with the index rising over 5% and individual stocks like Wanrun and Jingrui Materials experiencing significant increases [4] - A new EUV photoresist standard was announced, indicating ongoing advancements in the semiconductor manufacturing process [5] Group 4: Advances in Photoresist Technology - Recent research revealed the micro-structural behavior of photoresist molecules, which could lead to improved manufacturing processes and reduced defects in chip production [5][6] - The development of photoresist technology is crucial for the semiconductor industry, impacting the performance and yield of chips [6]