A stock dip comes after Reuters reported Meta estimated a chunk of revenue would come from running fraudulent ads.

Mark Zuckerberg lost about $29.2 billion as Meta's AI spending spooked investors, knocking him two spots down on Bloomberg's Billionaires Index.

Mark Zuckerberg's personal wealth is closely linked to Facebook's fortunes.

Mark Zuckerberg has a lot of reasons to celebrate this week — more than 20 billion, actually. The Meta CEO saw his net worth jump $26.8 billion on Thursday, following a strong quarterly earnings ...