A股成交超3.6万亿，AI应用迎来高潮

Market Performance - On January 12, 2026, the market showed strong fluctuations throughout the day, with all three major indices rising over 1%. The total trading volume in the Shanghai and Shenzhen markets exceeded 3.64 trillion yuan, setting a historical record [1] - By the end of the trading day, the Shanghai Composite Index rose by 1.09%, the Shenzhen Component Index increased by 1.75%, and the ChiNext Index gained 1.82%. AI applications saw significant gains, with the media index rising by 7.80% and the computer index increasing by 7.26%, leading the gains [1][2] Factors Driving the Rise - The GEO (Generative Engine Optimization) concept is gaining traction. GEO is an optimization strategy for generative AI platforms aimed at ensuring that brands, products, or services are prioritized in AI-generated responses. Gartner predicts that by 2026, approximately 25% of global traditional search engine traffic will shift to AI tools. This presents a significant growth opportunity for GEO [3][16] - The global GEO market is expected to reach $11.2 billion by 2025 and could potentially reach $100 billion by 2030, driven by the rapid development of AI large models. GEO is anticipated to transform the business models of advertising agencies and reshape the core of the advertising industry through AI and marketing [3][16] - In the AI healthcare sector, OpenAI announced the integration of a health dialogue feature, ChatGPTHealth, into ChatGPT. This feature provides a separate environment for health-related conversations and applications, allowing users to share medical records and connect with various health applications [4][17] - There are rumors that a domestic large model manufacturer may release a new model before the Spring Festival, although the authenticity of this information is uncertain. Regardless, the strength of domestic AI algorithms and talent is notable, and the release of domestic computing power is expected to alleviate previous limitations in AI applications [4][17] Future Outlook - AI is expected to remain a continuous technological mainline, with a shift from hardware to software being inevitable. Large-scale investments in AI infrastructure must resonate with software development to ensure the sustainability of long-term investments [5][18] - As of January 10, 2026, the PE TTM of the CSI Software Index was 260.07, positioned at the 94.84 percentile since its inception. However, the absolute growth rates for the CSI Software Index were only 0.78% and 13.27% for 2024 and 2025, respectively, indicating a rise in the PE TTM due to declining performance [5][18] - The macroeconomic recovery, combined with the drive from AI large models, is expected to lead to a recovery in the software industry, which currently holds certain allocation value. Investors are encouraged to continuously monitor relevant sectors and products for potential investment opportunities [6][18]