Xin Lang Cai Jing·2025-09-16 02:59Core Viewpoint - The digital economy sector is experiencing significant growth, driven by advancements in domestic computing power and strategic collaborations among industry players [1][2]. Group 1: Market Performance - As of September 16, 2025, the CSI Digital Economy Theme Index (931582) rose by 2.06%, with key stocks such as Loongson Technology (688047) increasing by 13.67% and Haiguang Information (688041) by 10.32% [1]. - The Digital Economy ETF (560800) also saw a rise of 2.02%, with a latest price of 1.01 yuan and a turnover rate of 2.77%, amounting to 20.32 million yuan in trading volume [1]. - Over the past month, the average daily trading volume of the Digital Economy ETF was 36.11 million yuan [1]. Group 2: Industry Developments - The "Haiguang System Interconnect Bus Protocol Open Ecological Seminar" was recently held, where Haiguang announced the opening of the CPU interconnect bus protocol (HSL) to enhance collaboration across the industry chain [1]. - The HSL protocol aims to position Haiguang CPUs as a foundational element for advanced computing systems, similar to NVIDIA's Grace CPU and Blackwell GPU architecture, potentially expanding market share in the domestic market [1]. - Minsheng Securities noted that the trend for domestic computing power is set to accelerate, supported by Alibaba's unexpected capital expenditure in Q2 and Haiguang's ambitious stock incentive plan [2]. Group 3: Index Composition - As of August 29, 2025, the top ten weighted stocks in the CSI Digital Economy Theme Index accounted for 53.36% of the index, including companies like Dongfang Wealth (300059) and Cambricon (688256) [2]. - The top ten stocks by weight are: Dongfang Wealth (10.51%), Cambricon (4.52%), and Haiguang Information (4.75%) among others [3].