A股沸腾，新版“印钞机”横空出世？

Core Viewpoint - The liquid cooling sector has experienced a significant surge, with over 27 stocks rising more than 5%, indicating strong market interest and potential demand driven by AI chip cooling needs [1][2]. Market Performance - The overall A-share market showed robust performance, with the Shanghai Composite Index closing up 0.83% at 3696.77 points, and the ChiNext Index rising over 2% [1]. - More than 4600 stocks increased in value, with trading volume exceeding 2 trillion yuan for three consecutive days [1]. Liquid Cooling Sector Dynamics - The liquid cooling server market is being compared to the previous boom in optical modules, with expectations of significant growth and the emergence of multiple tenfold stocks [1][4]. - Recent supply chain news indicated a dramatic price increase for liquid cooling components, with quick connectors rising from 700 yuan to 2100 yuan (200% increase) and cold plates from 1500 yuan/kW to 1800 yuan/kW [3][4]. - The penetration rate of liquid cooling is projected to increase from less than 15% in 2023 to 50% by 2025, driven by the rising power consumption of AI servers [3][6]. Company Performance - Companies like Deyuan Pump Industry and Jintian Co. have shown strong stock performance, with Deyuan hitting its fifth consecutive trading limit [2][4]. - Vertiv, a leading overseas liquid cooling company, reported revenue of $2.638 billion for Q2 2025, exceeding guidance and indicating strong demand in the sector [4]. Industry Outlook - The liquid cooling technology is becoming essential for managing the high heat output of AI chips, with NVIDIA's GB300 platform fully adopting liquid cooling designs [6]. - Analysts believe that domestic liquid cooling manufacturers possess strong competitive advantages in key components, with some already making inroads into overseas markets [6][7]. - The liquid cooling industry is expected to enter a rapid growth phase from late 2025 to 2026, benefiting from technological advancements and increased application scale [7].