Group 1 - The National Communication Index (399389) has shown a strong increase of 3.23%, with constituent stocks such as Guangku Technology (300620) hitting the daily limit up, and New Yisheng (300502) rising by 11.66% [1] - The Communication ETF Guangfa (159507) has reached a new high in scale at 45.36 million yuan, marking a significant increase in performance with a 65.18% rise in net value over the past year [1] - The top ten weighted stocks in the National Communication Index account for 61.8% of the index, with major players including Zhongji Xuchuang (300308) and New Yisheng (300502) [2] Group 2 - The global optical module sales increased by 10% quarter-on-quarter in Q2 2025, driven by the demand for 800G Ethernet optical modules, with a forecasted CAGR of 22% from 2024 to 2029 [2] - The communication and communication equipment industry is experiencing accelerated development driven by AI technology, with key variables including system integration capabilities and product engineering maturity [3] - The WAIC 2025 event showcased the transition of AI from technological breakthroughs to large-scale applications, indicating a growing trend in various vertical industries [3]