We’re watching a new trend in semiconductor stocks concerning circular deals. Here’s why we think investors should be keeping an eye on it, though they shouldn’t be particularly worried at this point.

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 ...

Two weeks ago, Nvidia Corp. agreed to invest as much as $100 billion in OpenAI to help the leading AI startup fund a data-center buildout so massive it could power a major city. OpenAI in turn ...