The billionaire Citadel chief said he will invest more in Miami after the New York mayor promoted a pied-à-terre tax outside his property.

Citadel's CEO Ken Griffin publicly challenges NYC Mayor Zohran Mamdani, signaling potential withdrawal from a multi-billion-dollar project.

Mamdani's office said in response to Griffin, "our tax system is fundamentally broken. It rewards extreme wealth while working people are pushed to the brink." ...

Billionaire Ken Griffin says being New York City Mayor Zohran Mamdani's poster boy for a tax-the-rich campaign​ put his life in danger.