Citadel has blasted the CEO of Trump Media—the parent company of Truth Social—after the executive accused the Ken Griffin-led company of "potential market manipulation." On Thursday Devin ...

Ken Griffin, founder and CEO of investment firm Citadel, said on Tuesday that U.S. President Donald Trump's tariff policy is a risk to economic growth and may force other countries to find new trade ...

Ken Griffin has sent legal letters threatening Sony Pictures over the representation of his company, Citadel, in “Dumb Money.” Citadel's involvement in the GameStop short squeeze event ...