In a stunning move against a major global player, India’s market regulator has temporarily barred Jane Street Group LLC from ...

A summer reading list for young entrepreneurs and those early in their careers, recommended by business leaders like Bill ...

American history is more polarizing than ever. But the country’s leading storyteller wants to prove there’s still an appetite ...

When the first reports of a new COVID-19 variant emerge, scientists worldwide scramble to answer a critical question: Will ...

Zohran Mamdani wants Ken Griffin to pay more tax on his Central Park penthouse. We break down what it means for homeowners ...

Kenneth Griffin, the billionaire art collector and hedge fund founder, purchased the document that abolished slavery, as well ...

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

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 ...

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.