英伟达盘后拉升，低费率创业板人工智能ETF华夏、5G通信ETF涨超3%，聚焦算力产业链

Group 1 - The core viewpoint of the news highlights the strong performance of AI-related stocks and ETFs in the A-share market, driven by favorable policy changes regarding AI chip exports to China [1] - NVIDIA's stock rose nearly 3% in after-hours trading following the announcement that the Trump administration will allow companies like NVIDIA, AMD, and Intel to sell AI chips to China, marking a significant shift in export policy [1] - NVIDIA is actively investing in AI infrastructure globally, including a £2 billion investment in the UK and collaborations with major companies in Germany and South Korea to enhance AI capabilities [1] Group 2 - The optical communication industry is entering a new growth cycle, driven by multiple favorable factors, with a transition from 800G to 1.6T technology [2] - The third quarter's performance was subdued, which is considered a normal part of the upgrade process, while the fourth quarter is expected to see a recovery in industry sentiment confirmed by leading companies [2] - Leading companies with strong technology, stable customer relationships, and scalable delivery capabilities are expected to benefit significantly from the high demand for computing power during this upgrade period [2] Group 3 - For selecting AI computing ETFs, the创业板人工智能ETF华夏 (159381) has a high content of optical modules and the lowest fee rate among similar products at 0.20% [3] - The 5G communication ETF (515050) focuses on computing hardware and has a scale exceeding 7 billion, deeply engaging with the supply chains of NVIDIA, Apple, and Huawei [3] - The 云计算50ETF (516630) targets domestic computing software and hardware, covering various popular computing concepts and also has the lowest fee rate for tracking its index [3]