Nvidia disclosed a 9.3% stake in Nebius Group via Schedule 13G, sending shares up as much as 4.6% after hours and confirming its $2B AI

Nebius Group is in the spotlight Monday after a major debt financing and a new business model to scale its AI cloud platform globally.

Nebius Group (NBIS) stock jumped 7% premarket after NVIDIA disclosed a 9.3% stake in the AI cloud infrastructure provider.