Griffin voiced his displeasure with how he and his company were portrayed in the recently-released movie “Dumb Money,” which focuses the GameStop stock saga. Ken Griffin has sent legal letters ...

But when a real wolf appeared, no one trusted his words anymore. Citadel's CEO Ken Griffin's comments about Trump’s tariffs sound a lot like the lesson from The Boy Who Cried Wolf. Citadel is ...

Hedge fund billionaire Ken Griffin doesn't sound happy with Donald Trump's tariff policies. The founder and CEO of investment firm Citadel on Tuesday called aggressive trade talk from the new ...

Ken Griffin built Citadel into a powerful and hugely profitable player in the markets and is moving it to Miami. Here's what drives him. "JB? JB and I are not on speaking terms these days," said ...