Market Overview - A-shares continued to experience high volatility, with cyclical sectors such as real estate, non-ferrous metals, and coal collectively adjusting, leading to declines in the three major stock indices [1] - As of the midday break, the Shanghai Composite Index was at 3949.83 points, down 0.56%, while the Shenzhen Component Index and the ChiNext Index fell by 0.43% each [1][2] A-share Index Performance - The Shanghai Composite Index closed at 3949.83, down 22.20 points (-0.56%) - The Shenzhen Component Index was at 13145.00, down 57.00 points (-0.43%) - The ChiNext Index recorded a decline of 0.43%, closing at 3091.87 [2] AI Application Sector - The AI application sector showed strong performance, with multiple stocks hitting the 20% limit up, including Fushi Holdings and Xuan Ya International [3] - The advertising marketing index surged by 4.78%, while the digital media index rose by 3.93% [3] - Alibaba announced the launch of the "Qianwen" project, which is now in public beta, aiming to establish itself as a personal AI assistant [4][5] Light-Curing Adhesive Sector - The light-curing adhesive sector saw significant movement, with Tongyi Co. experiencing a rapid increase, hitting a 20% limit up within three minutes [6] - The first EUV light-curing adhesive standard in China was announced, with public consultation starting on October 23 and ending on November 22 [6][8] - The standard's drafting units include Shanghai University and Shanghai Microelectronics Equipment Group [6] Investment Insights - The semiconductor manufacturing process heavily relies on photolithography technology, which is the most complex and costly key process [8] - The demand for semiconductors is expected to drive continuous growth in the photolithography equipment market [8]
AI应用,多股“20cm”涨停