策略周评20251117：AI持续迭代，高估值风险延续分歧

Core Insights - The AI ecosystem continues to expand rapidly, with three clear main lines: strengthening computing infrastructure, advancing models and applications, and accelerating industrial layout by enterprises [2] - Computing power and infrastructure remain the core battleground, with significant investments in data centers and cloud services, indicating a consensus that "computing power is the basic energy" of the industry [2] - The iteration of models and capabilities is rapidly expanding application boundaries, with major updates from various companies enhancing performance and cost-effectiveness, facilitating broader adoption of AI by enterprises and developers [3] - The AI sector in the US stock market has shown volatility, but the fundamental support from leading companies' business progress and targeted collaborations is noteworthy, with a focus on performance realization and commercial closure [4] Weekly Highlights - Anthropic announced a $50 billion data center partnership with Fluidstack to build customized facilities in Texas and New York, expected to create approximately 800 long-term jobs and 2,400 construction jobs, enhancing its computing power sovereignty [5] - Baidu officially launched its Wenxin 5.0 model with 24 trillion parameters, utilizing a unified multimodal modeling technology that significantly enhances its capabilities across various media types [5] - OpenAI released the GPT-5.1 series, which includes two core variants, enhancing conversational fluency and emotional intelligence, while also improving task execution speed [5] Market Performance - The AI sector's performance in the US stock market has been mixed, with notable fluctuations in stock prices among major tech companies, while the A-share market shows increased interest in AI infrastructure-related sectors, particularly benefiting from AI data center demands [4][8]