证券时报·2026-01-21 08:55Core Viewpoint - The semiconductor sector is experiencing strong performance, with significant gains in various stocks, particularly in CPU and AI-related companies [2][5][11]. Semiconductor Sector Performance - The A-share market saw nearly 3,100 stocks in the green, with the semiconductor sector leading the charge. Notable stocks include Longxin Zhongke, which hit a 20% limit up, and Haiguang Information, which rose over 13% [2][5]. - The overall market capitalization for the semiconductor sector is bolstered by rising prices for server CPUs, with AMD and Intel increasing prices by 10%-15% [6][7]. Glass Substrate Concept Surge - The glass substrate concept has gained traction, with stocks like Woge Optoelectronics, Jinrui Mining, and Maigemi Tech hitting their daily limit up. The glass substrate industry is transitioning from technology validation to early-stage mass production, with expectations for commercial shipments to begin in 2026 [8][10]. AI Industry Chain Stocks Rally - AI-related stocks, particularly in the CPO concept, have seen significant increases, with Zhishang Technology reaching a 20% limit up and Robotech rising nearly 15% [12][14]. - The demand for AI servers is increasing, driven by the need for upgraded architectures in data centers, which is expected to sustain growth in the server CPU market [7][14].