光模块CPO概念再度活跃，新易盛大涨超4%，云计算50ETF（516630）涨近1.5%

Group 1 - The A-share market is experiencing an upward trend, with the Shanghai Composite Index challenging the 3500-point mark and major indices rising [1] - Active sectors include circuit boards, high-speed copper connections, optical modules, online gaming, CRO, and HBM [1] - The recent surge in the cloud computing 50 ETF (516630) is attributed to the rise of large models and generative AI applications, which are significantly expanding the AI server market [1] Group 2 - Lightcounting predicts that the market size for 800G Ethernet optical modules will exceed that of 400G by 2025, with the overall market for 800G and 1.6T optical modules expected to surpass $16 billion by 2029 [1] - Chinese optical module manufacturers are increasing their global market share, with the latest 2024 global optical module top 10 list showing that Chinese firms occupy 7 positions [1] - The demand for high-speed optical modules is expected to enhance the industry's profitability [1] Group 3 - Nvidia's recent stock price surge is likely to benefit the domestic computing power industry chain due to overseas mapping logic [2] - The cloud computing 50 ETF (516630) tracks a cloud computing index (930851) that has a high AI computing power content, covering popular concepts such as optical modules, computing power leasing, data centers, AI servers, and liquid cooling [2] - The cloud computing 50 ETF (516630) is noted for having the lowest total expense ratio among ETFs tracking this index [2]