DeepSeek's new AI model triggers tech stock plunge, Nvidia's market cap evaporates in record loss, market worries about competitive landscape.

Vanke projects a massive loss of 45 billion, chairman and other executives resign en masse, sparking market concerns about the real estate sector.

Meta AI uses user data to provide personalized services, raising privacy concerns, while also introducing memory function.

Tesla and BMW sue the EU over tariffs, German automakers face challenges in China, with domestic brands rising.

DeepSeek's open-source model challenges industry giants, low cost and high performance attract attention, and it suffers malicious attacks.

JD.com plans to acquire Dada Group to strengthen its local retail layout, after Alibaba previously considered an acquisition.

US Treasury yields fall to a three-week low, tech stock sell-off intensifies market risk aversion.

Google open-sources Pebble smartwatch system, potentially driving new hardware development and reviving the Pebble spirit.

KuCoin admits to operating unlicensed money transfer business, pays hefty fine, highlighting crypto regulatory issues.

The rise of Chinese AI company DeepSeek, Vanke's massive losses, Meta AI's personalization upgrade, and other dynamics in the tech and financial sectors, together constitute the focus of this week's Tech Night Talk.