Amazon shares jumping today after the company announced a $ 38 billion partnership with OpenAI, giving the Cha GPT maker access to Amazon's cloud infrastructure and Nvidia's AI technology. Yahoo Finance tech editor Dan Howley joins us now to break it all down. So Dan, this agreement essentially links Amazon, OpenAI, and Nvidia, three heavyweights in one move.And it was a little confusing to me at first because why wouldn't Open AAI just go directly to Nvidia. So how does this work in practice. And why are w ...