Explore the suspension of Joseph Sapio, former Head of the US Repo Desk, for failing to supervise traders effectively.

An internal company memo revealed the person is a neurologist who previously worked at Morgan Stanley and is a Harvard grad.

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

The post The Coming Battle: AI Wealth and the Socialist Backlash appeared first on InvestorPlace. If you missed it, last week, Democratic Socialist Zohran Mamdani stunned former New York governor ...

This year, it passed UBS to become the largest of “dark pools”—those off-exchange platforms where institutions can trade ...

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

Billionaire Ken Griffin just broke the auction sales record for any document signed by President Abraham Lincoln. The Citadel ...

Billionaire developer and Palm Beach resident Ken Griffin's most recent purchases include rare copies of the Emancipation ...

Billionaire Ken Griffin, founder of $63 billion (in assets) Citadel hedge fund and market maker Citadel Securities, slammed the Trump Administration’s handling of the economy and the Republicans ...

Griffin, 56, built Citadel from a Harvard dorm‑room trading venture in 1990 into a multistrategy powerhouse managing about $65 billion in investment capital and employing more than 3,100 people.

Citadel's Ken Griffin said he doesn't think AI will shake up the investment business. Griffin said his hedge fund uses AI "a little bit." AI works well in short-term trading but falls short when ...

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 ...