Market Overview - The market experienced a rebound after a dip, with mixed performance across the three major indices. Notable gains were seen in computing hardware stocks, particularly in CPO, PCB, and liquid cooling servers, with companies like Fenghuo Communication, Chuanrun Co., and ShenNan Circuit hitting the daily limit up. Conversely, the film industry continued to decline, with Bona Film Group facing a three-day limit down. Overall, approximately 2,900 stocks in the Shanghai and Shenzhen markets declined, with a total trading volume of 2.56 trillion yuan [1]. Key Sectors Optical Communication - The optical communication sector saw significant gains, with stocks like Farsens and Tongding Interconnection hitting the daily limit up. The surge was catalyzed by a 5.83% increase in Corning, a major player in the fiber optics market, which reached a historical high. Additionally, CPO leader Lumentum rose by 5.1%, also setting a new record [4][6]. Liquid Cooling - The liquid cooling sector strengthened, with companies such as Jialitu and Chuanrun Co. achieving daily limit up. This was influenced by NVIDIA's showcase of its next-generation Vera Rubin computing system, which is the first to utilize 100% liquid cooling technology [8][10]. Analysts predict that the liquid cooling server market in China will experience a compound annual growth rate of 46.8% from 2024 to 2029, reaching a market size of $16.2 billion by 2029 [10]. PCB (Printed Circuit Board) - The PCB sector also saw a notable increase, with stocks like ShenNan Circuit and Guanghe Technology hitting the daily limit up. Market expectations are high for the upcoming GTC conference, where the Feynman chip utilizing LPU low-latency architecture is anticipated to be showcased, potentially boosting PCB demand [10][12]. Analysts from Zheshang Securities believe that the upgrade of NVIDIA's GPU architecture will increase both the quantity and value of PCB used in their servers [12]. Company Highlights - Farsens, a leader in optical communication, has seen a four-day consecutive limit up, indicating strong market confidence [4][6]. - Jialitu and Chuanrun Co. are recognized for their advancements in liquid cooling technology, with Jialitu's stock rising by 9.98% [9]. - ShenNan Circuit, a key player in the PCB market, has also experienced a 10% increase in stock price, reflecting positive market sentiment [11].