Interactive Brokers Group (NASDAQ:IBKR) founder and Chairman Thomas Peterffy told investors at Bank of America’s 34th Annual ...

Last year, billionaire Thomas Peterffy purchased a six-acre parcel of untouched mangrove swamp on the island of Palm Beach from the local branch of the Audubon Society — not to destroy and develop it, ...

Thomas Peterffy, Interactive Brokers founder and chairman, joins CNBC's 'Squawk on the Street' to discuss market outlooks, what's driving sentiment, and more. Got a confidential news tip? We want to ...

NEW YORK (Reuters) -Interactive Brokers Chairman Thomas Peterffy on Thursday said 24-hour trading has become more acceptable, calling it a genie that is hard to put back into the bottle, at the Piper ...

The event comes as the private Christian university prepares to open its 125,000 square-foot, six-story, state-of-the-art business school.

The front door is a sheet of glass bordered in thick gold. Standing at 8,000 feet outside the $108 million Aspen house that Thomas Peterffy bought with his seasonal roommate, the casino mogul Steve ...

Lumina Markets, a new prediction markets startup, shares staff and an address with the trading giant Interactive Brokers. Job listings say it's "backed by a billionaire pioneer of electronic trading" ...

Thomas Peterffy, Interactive Brokers founder and chairman, joins CNBC's 'Squawk on the Street' to discuss market outlooks, what's driving sentiment, and more. Got a confidential news tip? We want to ...