Here's a diagram illustrating the circular money flow and investments between OpenAI, Nvidia, AMD, Oracle, CoreWeave, and SoftBank in the AI infrastructure boom.
nbc news
https://www.nbcnews.com/business/economy/openai-nvidia-amd-deals-risks-rcna234806
https://www.nbcnews.com/business/economy/openai-nvidia-amd-deals-risks-rcna234806