"You could just see how this was going to have such a dramatic impact on society." ...

Hedge fund billionaire Ken Griffin was one of the most prominent AI skeptics. Now he's had a change of heart, calling it ...

Mayor Zohran Mamdani has made recent efforts to reach out to Citadel CEO Ken Griffin, according to several sources, but the ...

Citadel founder and CEO Ken Griffin expressed both alarm and optimism about how quickly artificial intelligence has advanced, ...

The capitalist is ghosting the socialist. Mayor Zohran Mamdani has reached out to billionaire Ken Griffin after furious ...

New York City Mayor Zohran Mamdani previously announced a tax on luxury second homes in front of Griffin’s Manhattan townhouse.

The billionaire Citadel chief said he will invest more in Miami after the New York mayor promoted a pied-à-terre tax outside ...

President Donald Trump defended Citadel CEO Ken Griffin after a public spat with Mayor Zohran Mamdani in which he claimed the ...

Wall Street is the city’s economic engine–and they won’t let the young mayor forget.

Many Americans are feeling the squeeze — from the pump to housing costs to medical expenses. Here’s what you can do about it.

Billionaire Ken Griffin's clash with NYC Mayor Zohran Mamdani over wealth taxes mirrors the tensions that preceded Citadel's ...