Ge Long Hui·2025-12-09 02:38Core Viewpoint - The CPO sector in the A-share market has experienced a significant surge, with multiple stocks reaching their historical highs, driven by the increasing demand for AI computing power and the ongoing upgrade of the optical module industry [1][2]. Group 1: Stock Performance - Dekoli (688205) reached a 20% increase, with a total market value of 26.1 billion and a year-to-date increase of 136.95% [2]. - Yueling Co. (002725) saw a 9.98% rise, with a market value of 4.485 billion and a year-to-date increase of 63.28% [2]. - Taicheng Light (300570) increased by 8.46%, with a market value of 29.5 billion and a year-to-date increase of 80.23% [2]. - Ruijie Network (301165) rose by 6.65%, with a market value of 69.6 billion and a year-to-date increase of 71.08% [2]. - Zhongji Xuchuang (300308) increased by 5.01%, with a market value of 665.1 billion and a year-to-date increase of 387.06% [2]. - Other notable stocks include Jingwang Electronics, Juguang Technology, and Xinyi Sheng, all showing increases of over 3% [1]. Group 2: Industry Insights - The global optical module industry is accelerating its upgrade to 800G/1.6T due to the demand for AI computing power, with optical isolators becoming a critical component due to a global supply shortage of Faraday rotators [2]. - The production of Faraday rotators is monopolized by a few manufacturers in the U.S. and Japan, creating a significant supply-demand mismatch as the demand for high-speed optical modules surges [2]. - Companies positioned in the optical isolator sector are expected to benefit from their scarcity, sufficient production capacity, and high technical barriers, making them key players in the industry [2].