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US market news and financial headlines

    • OpenAI announced on October 24, 2026, that it will no longer use live internet data for training its frontier models, citing "significant risks." This decision represents a major shift in OpenAI's data strategy, potentially impacting the models' real-time capabilities and knowledge boundaries.
    • Hong Kong Exchanges and Clearing Limited (HKEX) announced on October 23, 2026, the launch of the HKEX Artificial Intelligence Index and the HKEX Semiconductor Index. These new indices provide benchmarks for two key technology themes, expanding HKEX's proprietary index series to capture investment opportunities in the AI and semiconductor sectors.
    • The 2026 Global Developer Pioneer Conference and International Embodied Intelligence Skills Competition opened in Shanghai from October 23-24, showcasing thousands of robots and embodied AI technologies. At the event, Mifeng Technology launched the world's first full-category high-quality physical AI data crowdsourcing platform, "Mifeng Pie," while LinYan Medical presented its surgical world model product, aimed at providing intelligent support for surgical robots.
    • AI startup Flapping Airplanes announced on October 23, 2026, that it has completed a $1 billion funding round, valuing the company at $6 billion. The company focuses on researching how to train AI models with less data and computational power to improve chip efficiency, addressing industry concerns about the financial strain of AI compute expansion.
    • The U.S. National Aeronautics and Space Administration (NASA) announced new arrangements for its Artemis III mission on October 23, 2026. The mission will now conduct a low-Earth orbit rendezvous and docking test in 2027, while the original crewed moon landing objective has been postponed and re-designated to the Artemis IV mission in early 2028.
    • Moonshot AI released its 3-trillion-parameter open-source large language model, Kimi K3.1 Pro, on October 24, 2026, supporting 1 million context tokens and 3D creation. Concurrently, MiniMax open-sourced its M3.1 Flash model on October 23, which processed over 100 trillion tokens within 72 hours, demonstrating significant improvements in inference efficiency.
    • The Hong Kong Innovation and Technology Carnival 2026 commenced on October 24, showcasing 11 interdisciplinary research achievements from local universities, including AI applications in health technology, cross-generational communication, and space science. The event aims to promote Hong Kong's innovation and technology culture and knowledge transfer.
    • A new study by researchers from Texas A&M, UT Austin, and Purdue University suggests that continuously training large language models with low-quality, clickbait-driven online content can significantly degrade their reasoning, long-text comprehension, safety, and behavioral performance. This phenomenon, termed 'AI brain rot,' highlights the critical impact of training data quality on LLM performance, and the paper has been accepted by the 2026 Language Model Conference.
    • Meta, the parent company of Facebook, is reportedly seeking up to $95 billion in equity financing to accelerate its investments in AI infrastructure and personal superintelligence. Chip giants Nvidia, AMD, and Broadcom have collectively committed to investing up to $5 billion in common stock, signaling strong industry confidence in Meta's AI ambitions.
    • On October 21, 2026, SiLing Robotics, in collaboration with NVIDIA, unveiled the research-oriented humanoid robot Agile ONE SN at NVIDIA GTC Berlin. Built on NVIDIA's Isaac GR00T development platform, this robot features 71 degrees of freedom and is slated for commercial release in early 2027, marking a significant advancement in AI and robotics hardware.