Much of Elon Musk’s business empire is in disarray, but his rocket-and-satellite company is riding high.

Elon Musk's AI venture, xAI, has lost one of its top engineering leaders to rival AI heavyweight OpenAI. Uday Ruddarraju, who played a pivotal role in building the core infrastructure of Musk's xAI, ...

From Sam Altman to Mark Zuckerberg, these are the key figures of the tech elite that rules the new global order ...