Market Overview - On August 18, A-shares saw all three major indices rise, with the Shanghai Composite Index reaching 3731.76 points, a nearly ten-year high [1] - The Shanghai Composite Index closed up 0.85%, the Shenzhen Component Index rose 1.73%, and the ChiNext Index increased by 2.84%, indicating a positive market trend [1] - The total trading volume in the Shanghai and Shenzhen markets was 27,642 billion RMB, showing a significant increase compared to the previous trading day [2] Index Performance - The North Exchange 50 Index surged by 6.79%, with a year-to-date increase of 51.92% [2] - The ChiNext 50 Index rose by 3.04% this day, with a year-to-date increase of 23.11% [2] - The ChiNext Index increased by 2.84% with a year-to-date rise of 21.69% [2] - The Science and Technology Innovation Index rose by 2.41% with a year-to-date increase of 30.27% [2] Sector Insights - The optical module industry is experiencing high demand, with overseas clients raising their demand forecasts for 2026/2027, particularly for 1.6T products [6] - AI computing power demand is surging, leading to a supply shortage in 800G capacity [6] - Leading companies like Zhongji Xuchuang and Xinyi Sheng have secured key materials ahead of time, with technological advancements exceeding expectations [6] - Jiangsu Securities noted that the core driver of cloud computing industry development is external demand iteration, with the current AI cycle transforming cloud computing from resource leasing to intelligent service models [6] Investment Opportunities - The North Exchange 50 Index maintained strong performance throughout the day, closing up 6.79% and nearing 1600 points, setting a new historical high [7] - All constituent stocks in the North Exchange 50 Index closed in the green, with notable gains from stocks like Ge Bi Jia and Shu Guang Shu Chuang, which hit a 30% limit up [7] - The current market trend is supported by industrial trends, with AI and technology industries rapidly evolving, making it easier for small and medium-sized tech companies on the North Exchange to achieve growth and valuation premiums [7]