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

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 ...

Citadel Advisor's Ken Griffin bought over 9.1 million shares of the Alignment Healthcare stock days before the tech-enabled ...

Ken Griffin’s Citadel Securities has bought Morgan Stanley’s electronic options market making business, underscoring how high ...

Citadel Securities bought Morgan Stanley’s unit focused on electronic market-making for US equity options, expanding the firm ...

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

Virtu lends its support to IEX after Ken Griffin’s firm criticised planned exchange’s ability to cancel and reprice trades ...

For the first time since he took office 2019, Gov. Ron DeSantis allowed legislation to become law without his signature.

Prominent hedge fund managers are reducing Nvidia holdings and increasing stakes in Palantir Technologies, an AI stock that has surged 2,000% since 2023.

New Holland Capital launched Plum Island Partners and hired a North Rock executive to lead it.

Billionaire Israel Englander of Millennium Management sold 740,500 shares of Nvidia, cutting his stake 7%. He also bought 986 ...

Discover how Citadel Securities solidifies its dominance in market-making with a key acquisition from Morgan Stanley.