京东、阿里、百度、腾讯集体下跌

Core Viewpoint - The Hong Kong stock market experienced a collective decline on January 29, with major tech stocks like JD.com, Alibaba, Baidu, and Tencent showing negative performance, although the Hang Seng Index briefly turned positive during the day [1]. Group 1: Market Performance - The Hang Seng Index opened lower and showed a narrowing decline, with a brief recovery to positive territory [1]. - Major tech stocks saw declines, with JD.com down nearly 2%, Alibaba down approximately 0.7%, Baidu down 0.45%, and Tencent down 0.16% [1][2]. Group 2: AI Developments - Alibaba's new high-end AI chip "Zhenwu 810E" was launched on the official website of Pingtouge, marking the debut of the "Tongyun Ge" AI supercomputer, which integrates self-developed chips, cloud services, and open-source models [3][4]. - The "Zhenwu" PPU chip features a 96G HBM2e memory and a chip-to-chip interconnect bandwidth of 700 GB/s, designed for AI training, inference, and autonomous driving applications [6]. - The performance of the "Zhenwu" PPU surpasses that of NVIDIA's A800 and is comparable to the NVIDIA H20, indicating strong market demand and positive industry feedback [6][4]. Group 3: Model Performance - The Tongyi Laboratory released the Qwen3-Max-Thinking flagship inference model, achieving multiple global records and performance comparable to GPT-5.2 and Gemini 3 Pro [7]. - The number of derivative models from the Qwen open-source model has exceeded 200,000, with download volumes surpassing 1 billion, maintaining a leading position globally [7].