Xin Lang Cai Jing·2025-11-19 02:21Core Insights - The A-share AI industry chain has shown a strong rebound, particularly in the optical module sector, with the retail price of 1.6T optical modules rising significantly from approximately $1200 at launch to over $2000 currently, indicating a substantial price increase [1] Group 1: Market Performance - The ChiNext Index rose by 0.59% as of November 19, 2025, with notable increases in constituent stocks such as Zhongji Xuchuang (up 3.93%) and Hunan Youneng (up 2.94%) [1] - The ChiNext ETF (159908) increased by 0.56%, with a latest price of 2.87 yuan, and has seen a cumulative increase of 4.55% over the past month [1] - The latest scale of the ChiNext ETF reached 1.198 billion yuan, closely tracking the ChiNext Index, which consists of 100 stocks with high market capitalization and liquidity [3] Group 2: Industry Dynamics - There is a limited number of manufacturers capable of mass-producing 1.6T optical modules, primarily concentrated among leading companies like Zhongji Xuchuang and Xinyi Sheng, resulting in a supply-demand imbalance due to rapidly increasing downstream computing power needs [2] - The high technical barriers and slow capacity ramp-up for 1.6T optical modules have led to a significant supply shortage, driving retail prices up quickly [2] - The shift in the multimodal industry towards "native multimodal" architectures is seen as a pivotal point for driving industry value, with implications for both foundational infrastructure and application layers [2]