Zhong Guo Zheng Quan Bao·2025-12-23 08:39Market Overview - The A-share market experienced fluctuations in the afternoon, with all three major indices briefly turning negative. The Shanghai Composite Index rose by 0.07%, the Shenzhen Component increased by 0.27%, and the ChiNext Index gained 0.41%. The total market turnover was approximately 1.92 trillion yuan, an increase of 39.2 billion yuan compared to the previous trading day [1]. Sector Performance - The sectors of photolithography machines, batteries, and energy metals were active, while tourism and commercial aerospace sectors saw adjustments. Notably, the liquid cooling server concept remained vibrant, with several high-position stocks experiencing significant declines [3][4]. Individual Stock Highlights - Victory Energy (001331) achieved an "8 consecutive limit-up" performance. Inveke (002837) hit its daily limit, reaching a historical high of 103.84 yuan per share, with a total market capitalization exceeding 100 billion yuan. Zhongji Xuchuang (300308) had a trading volume exceeding 14 billion yuan, ranking first in A-share individual stock turnover [3][4][10]. - Other stocks such as Yidong Electronics (301123), Zhongguang Lightning Protection (300414), and Tongfei Co. (300990) also reached their daily limit [5][6]. Currency Exchange Rate - On December 23, the RMB exchange rate continued to strengthen, with both offshore and onshore RMB against the US dollar breaking through the 7.02 and 7.03 thresholds, respectively. The central parity rate of the RMB against the US dollar was adjusted up by 49 basis points to 7.0523, marking the highest level since October 2024. Year-to-date, the RMB has appreciated by 1.89% against the US dollar [3]. Liquid Cooling Market Insights - Inveke is recognized as a pioneer in the full-chain liquid cooling sector, offering a comprehensive range of products and services from manufacturing to delivery. The company ensures the operational reliability of liquid cooling systems through self-research, production, delivery, and service [8]. - According to a report by Western Securities, it is projected that Google will ship approximately 2.2 to 2.3 million TPUs of version 7 and above by 2026, estimating the market size for Google’s cabinet liquid cooling to be between 2.4 billion and 2.9 billion USD. The domestic liquid cooling market is expected to experience significant growth due to the high increase in domestic chip shipments and the rapid adoption of AI supernode systems [9]. Technology Stock Trading Volume - Several technology stocks recorded trading volumes exceeding 10 billion yuan. Zhongji Xuchuang led with a turnover of 14.498 billion yuan, followed by Xinyi Sheng (300502) and Industrial Fulian (601138), both surpassing 13 billion yuan [10][11].