Since Nvidia agreed last month to invest $100 billion in its customer OpenAI, investors and analysts who follow artificial intelligence have awakened to that industry’s circularity.

A spate of recent deals among AI's biggest players has tightened the circle of companies and investments underpinning the technology’s explosive growth. Nvidia plans to invest in OpenAI, which is ...

Skeptics of a recent investment spree involving OpenAI and others say deals raise questions about the robustness of the artificial intelligence boom. By Andrew Ross Sorkin Bernhard Warner Sarah ...

The S&P 500 is increasingly concentrated in the 'Magnificent 7' tech giants, raising risks for index investors as these stocks dominate returns. Mag 7 companies are ramping up capital spending on AI, ...

Three years after OpenAI and Nvidia Corp. helped kick off the global artificial intelligence frenzy, the two firms are joining forces to pave the way for a more costly phase of development with a deal ...