AI应用概念集体走强，沪指半日下跌0.62%

Market Overview - A-shares experienced a decline on October 31, with major technology stocks retreating. The Shanghai Composite Index fell by 0.63% to 3961.62 points, while the Shenzhen Component Index decreased by 0.62%, and the ChiNext Index dropped by 1.49% [1][2] - The total trading volume in A-shares reached 1.58 trillion yuan for the half-day session [1] Monetary Policy - The People's Bank of China conducted a 7-day reverse repurchase operation of 355.1 billion yuan at a fixed rate of 1.40%, with a net injection of 187.1 billion yuan for the day [2] Industry Developments - The "Action Plan for Promoting Comprehensive Digital Transformation in Smart City Development" was issued, aiming for significant progress in data-driven urban economic and social development by the end of 2027. The plan includes establishing over 50 fully digital transformation cities [3] - The China Iron and Steel Association anticipates that the industry could achieve its best economic performance since 2022 in the fourth quarter, provided that all sectors work together to strengthen self-discipline [3] Sector Performance - AI application sectors showed strength, with media, gaming, and Sora concepts rebounding. Notable stocks included Rongxin Culture, which hit a 20% limit up, and several others that also reached their daily limits [4] - The lithium battery sector continued its strong performance, with Tianji Co. achieving two consecutive limit-ups [4] Emerging Trends - The micro-short drama market in China is projected to reach nearly 700 million users and exceed 50 billion yuan in market size by June 2025, with expectations to approach 100 billion yuan by 2027. This growth positions micro-short dramas as a significant pillar in online literature [5] Company Insights - BlueFocus Communication Group is leveraging AI technology and global platform construction to create differentiated competitive advantages [7] - Bona Film Group has a rich film reserve and is actively exploring the short and medium drama market while integrating AI with film development [8] - Zhongwen Online is focusing on high-quality IP cross-media development, with AI technology integrated into content creation and commercialization [9] - Oriental Pearl Media, as a leading state-owned cultural media group, is expected to harness new growth engines in the AI era through technology empowerment and content upgrades [9]