Group 1 - A-shares showed mixed performance on July 29, with active sectors including CRO, optical modules, optical chips, and innovative drugs [1] - The cloud computing 50 ETF (516630) rose over 1%, with leading stocks including Guotou Intelligent (300188), Hengsheng Electronics (600570), Zhongji Xuchuang (300308), Xinyi Sheng (300502), Wanxing Technology (300624), and Yonyou Network (600588) [1] - CITIC Securities reported that by Q2 2025, the market value of public fund holdings in the telecommunications sector reached 101.75 billion yuan, accounting for 3.90%, a record high [1] Group 2 - In Q2 2025, public funds significantly increased their holdings in the optical module/device sector while reducing positions in IDC and telecom operators [2] - The top ten stocks with increased holdings in the telecommunications sector included Xinyi Sheng, Zhongji Xuchuang, Changxin Bochuang, Shijia Photon, and Huace Navigation [2] - The cloud computing 50 ETF (516630) tracks an index with a high AI computing power content, covering popular concepts such as optical modules, computing leasing, data centers, AI servers, and liquid cooling [2]