Nvidia agrees to buy Hugging Face for $12.9B, its second-biggest purchase after it paid $20B for Groq assets at the end of last year (Ari Levy/CNBC)

Nvidia has agreed to acquire the open-source AI platform Hugging Face for $12.9 billion. Meanwhile, Microsoft is restructuring its reporting into two segments, Agents and Infra and Devices and Consumer, while disclosing that Azure revenue grew 42% to $29.42 billion. Additionally, G20 nations adopted the US-proposed Carolina Principles to promote lighter AI regulation.