光模块龙头股回调带动创50ETF（159681）震荡，机构：800G光模块需求预计将继续保持高速增长态势

Group 1 - The three major indices showed mixed performance, with the Shanghai Composite Index rising by 0.92% and the Shenzhen Component Index increasing by 0.86%, while the ChiNext Index fell by 0.06% [1] - The overseas optical module industry is expected to see a quarter-on-quarter growth rate of approximately 15-20% in Q4, with significant growth observed in Cohr and Lumentum optical modules [1] - The demand for data transmission is significantly increasing due to rapid upgrades in GPU and ASIC technologies, leading to a preference for higher bandwidth network hardware in AI data centers [1] Group 2 - The 800G optical module is experiencing high growth, reflecting the urgent demand for bandwidth driven by AI applications, with expectations for continued high growth in demand for 800G modules by 2026 [1] - The ChiNext 50 ETF (159681.SZ) closely tracks the ChiNext 50 Index (399673.SZ), which consists of 50 stocks with high liquidity and market capitalization in the ChiNext market [2] - The ChiNext 50 ETF has a current circulation of 1.434 billion shares and a total circulation scale of 2.201 billion yuan, with a trading volume of 99 million yuan reported [1][2]