The world's richest man, now firmly embedded in the Trump administration, has lost over $11 billion since the start of the year.

Altman and Musk were OpenAI’s founding co-chairs in 2015, but their relationship has devolved into name-calling and lawsuits.

The Microsoft co-founder and philanthropist is taking a break from the future to examine his past — and mulling where the billionaires now fit in.

The Securities and Exchange Commission sued Elon ... for Musk, told Reuters that the lawsuit was the culmination of the SEC’s “multi-year campaign of harassment” against the billionaire.