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

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

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

Griffin now ranks 36th in the Bloomberg Billionaires Index with a total net worth of $41.8 billion. "From my vantage point, ...

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

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

Citadel CEO Ken Griffin on Tuesday called aggressive trade talk from the new Trump administration" 'huge mistake," producing ...

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 ...

Single-family homes priced below $500,000 are getting harder to come by, as wealthy buyers drive up demand for high-end homes ...

Chicago's luxury condo market struggles as a Gold Coast property sells for 20% less than its initial listing price.

Citadel’s Ken Griffin is forging ahead with his new Park Avenue office tower, filing plans with the city as the developers ...