
Group 1 - The AI computing sector is experiencing significant growth, with related ETFs showing strong performance, particularly the 5G Communication ETF (515050), which reached a trading limit increase [1] - Key stocks such as Tianfu Communication, Zhongji Xuchuang, and Xinyi Sheng saw increases of over 13%, with several other companies also hitting trading limits [1] - The development of AI computing is driving investment in computing infrastructure, benefiting leading companies from both domestic and international AI computing investments, which in turn boosts demand for high-speed optical devices and modules [1] Group 2 - The 5G Communication ETF (515050) tracks the CSI 5G Communication Theme Index and has a current scale exceeding 8 billion [1] - The ETF focuses on the supply chains of major companies like Nvidia, Apple, and Huawei, with optical module CPO concept stocks accounting for 38% and PCB circuit board concept stocks for 14% of its weight [1] - The high demand in the optical module segment and passive optical device sectors is expected to continue, driven by the ongoing high prosperity trend from Q1 2025 [1]