A George Costanza Yankees bobblehead and a mispriced Panini Rookie Royalty set headline the week in collectibles.

The Seattle Seahawks officially announced the signing of veteran cornerback Shaquill Griffin and waived fourth-year ...

Citadel's Ken Griffin breaks Sotheby's record with bids for two Civil War-era documents. Crain’s Laura Turbay discusses with ...

In July 2024, Griffin purchased a late Jurassic-era stegosaurus skeleton for a record-setting $44.6 million. Griffin has ...

The stock market has proven resilient in the face of President Donald Trump's aggressive trade war and conflict in the Middle ...

Ken Griffin isn’t just CEO of hedge fund behemoth Citadel. He’s also an avid American history buff who has spent millions acquiring rare documents like first printings of the U.S. Constitution ...

Ken Griffin announced Tuesday that he will lend his first-edition copy of the Constitution to the National Constitution Center in Philadelphia for a public exhibit dedicated to the founding ...

Griffin also unloaded his 37th-floor, five-bedroom, 7,400-square-foot Chicago Waldorf Astoria residence for $10.2 million in 2022, which was about a $3 million loss.

GOP donor Ken Griffin suggested the value of the U.S. dollar has significantly deteriorated compared to the euro in the past month under the thumb of President Trump’s latest tariff hike on ...

Citadel CEO Ken Griffin speaks during the Semafor World Economy Summit 2025 at Conrad Washington on April 23, 2025 in Washington, D.C. Getty Images Hedge fund billionaire Ken Griffin, a major ...

Citadel CEO Ken Griffin, a billionaire supporter of President Donald Trump and a megadonor to Republican candidates, had some unusually harsh words for the president about his trade war: It’s ...