The Citadel founder says that the US will lose out on international trade and the AI arms race as a result.

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Citadel CEO Ken Griffin spoke out at the UBS Financial Services conference in Key Biscayne, Fla., on Tuesday, thanking Elon ...

Ken Griffin, founder and CEO of investment firm Citadel, said on Tuesday that U.S. President Donald Trump's tariff policy is ...

The billionaire hedge fund founder’s comments came after Trump on Monday evening signed an order that would impose 25% ...

"Tariffs are what you do in the death throes of a nation," Griffin said at a conference outside Miami.

Citadel CEO Ken Griffin sent a stern warning Tuesday against the negative impact from President Donald Trump’s combative ...

Hedge fund Citadel has made a £305mn bet against drugmaker GSK, the biggest short position against the company in more than a decade.

Billionaire Ken Griffin's hedge fund Citadel has taken a short position in British drugmaker GSK , the Financial Times ...

Citadel CEO Ken Griffin had some strong words about the harmful effects of U.S. President Donald Trump's tariffs. Read more here.

Griffin, who voted for Trump but did not donate to his campaign, believes the president's "bombastic rhetoric" on tariffs is ...

Meet the plugged-in players whom billionaire Ken Griffin is relying on to get Citadel’s new headquarters off the ground ...