Week 51 in AI: Market correction fears trigger global tech sell-off, OpenAI launches GPT-5.2 with ‘Thinking’ mode, TikTok agrees to US sale, Tesla begins fully unmanned Robotaxi tests, and Intel acquires SambaNova for $1.6B as sovereign AI races heat up.

📋 Quick Takeaways

• TikTok agrees to sell US operations to an American-led investor group, resolving national security standoffs.
• US Department of Energy launches “Genesis Mission”, signing major AI collaboration deals with Big Tech firms.
• Google Cloud rolls out advanced governance for Vertex AI Agent Builder to secure enterprise AI.
• Red Hat acquires Chatterbox Labs to bolster its AI Trust and Security platform capabilities.
• Nebius Group (NBIS) shares stage major rebound driven by fresh analyst targets and positive news cycles.

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🏛️ Major Policy & National Security

TikTok Agrees to Historic Sale of US Operations

Breaking Development: In a landmark shift for the global tech landscape, ByteDance has agreed to sell TikTok’s US operations to an American-led investor group. Announced on the evening of December 18, this deal aims to permanently resolve long-standing national security concerns regarding the app’s ownership.