Originally issued by Lincoln during the Civil War in 1863, the proclamation declared enslaved people in the Confederate ...

The hedge-fund billionaire also paid a record $43.2 million for a copy of the U.S. Constitution four years ago.

Griffin paid a record $13.7M for the 13th Amendment and $4.4 million for the Emancipation Proclamation. Both documents were ...

Lobbyists for the law said it would protect trade secrets and invite high-paying companies to Florida.

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

Ken Griffin bought an Abraham Lincoln–signed copy of the 13th Amendment, for $13.7 million, and the Emancipation Proclamation ...

Griffin, who runs a $66 billion hedge fund, was able to navigate markets that turned turbulent in April after U.S. President Donald Trump announced "reciprocal" tariffs on dozens of countries. Citadel ...

Billionaire hedge funder Kenneth Griffin was the buyer of record-breaking copies of the 13th Amendment and the Emancipation ...

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

Citadel founder and CEO Ken Griffin told graduates there's no shame in switching careers if they're not truly interested in their fields.

Citadel Securities acquires Morgan Stanley's electronic options market-making business, solidifying its industry dominance.

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