
Group 1 - The core viewpoint of the articles highlights the strong performance of AI-related stocks, particularly in the optical module CPO sector, with the AI ETF tracking the ChiNext AI index showing significant gains [1][2] - The AI sector is at a critical profitability turning point, with companies like OpenAI starting to generate revenue through API sales, indicating a shift towards commercial viability [1] - The AI industry is experiencing accelerated penetration into various fields such as finance, healthcare, and education, supported by a sevenfold increase in token generation related to AI on Microsoft's Azure platform [1] Group 2 - The ChiNext AI ETF (159381) has a low comprehensive fee rate of 0.20%, making it attractive for investors, and has outperformed similar AI indices with a year-to-date increase of over 65% [2] - The top three holdings in the ETF are New Yisheng (20.3%), Zhongji Xuchuang (18.8%), and Tianfu Communication (6.5%), which contribute significantly to the ETF's performance [2] - The AI sector is forming a business loop of "computing power investment → commercial monetization → reinvestment," transforming related businesses from cost centers to growth engines [1]