Thomas Peterffy, the billionaire founder and chairman of electronic brokerage giant Interactive Brokers Group Inc., thinks the rally in the U.S. stock market is overdone, and views hopes for a ...

Last year, billionaire Thomas Peterffy purchased a six-acre parcel of untouched mangrove swamp on the island of Palm Beach ...

Wall Street pioneer Thomas Peterffy told CNBC on Wednesday he was concerned about the prospect of damaging inflation in the U.S., leaning on his personal experiences as a youth in Hungary after ...

Billionaire Thomas Peterffy is perhaps best known as the founder of electronic stock trading firm Interactive Brokers, but the Hungarian-born American entrepreneur also grew up in the shadow of ...

Thomas Peterffy is the 63rd richest person in the entire world. He's most well known for being the founder and CEO of Interactive Brokers (IEX: IBKR), and his story could serve as the dictionary ...

Thomas Peterffy predicts Virginia Governor Glenn Youngkin will run for president if the Virginia Senate flips red next week—and says billionaires are lining up to support him. Thomas Peterffy ...

Thomas Peterffy, chief executive officer of Interactive Brokers Group, pictured in 2012. Photo: Lucas Jackson/REUTERS Thomas Peterffy was one of the pioneers of electronic trading in the 1980s.

Thomas Peterffy, founder and chairman of Interactive Brokers Group Inc., says the Securities and Exchange Commission faces tough challenges as it considers eliminating a Wall Street practice that ...

Peterffy Weighs In: "The year was really a very good year for us, so I'm kind of puzzled why the stock fell," Interactive Brokers Founder and Chairman Thomas Peterffy said Tuesday on CNBC's ...

Interactive Brokers chairman and founder Thomas Peterffy joins CNBC's "Closing Bell" to discuss the decision to restrict trade activity. "We are worried about the integrity of the marketplace and ...

Video Interactive Brokers Group founder and CEO, Thomas Peterffy. On October 10th Interactive Brokers Group founder and CEO Thomas Peterffy posted a video to his eponymous YouTube account titled ...

Hungary-born billionaire Thomas Peterffy, a pioneer of computerized stock trading, is listing his 80-acre estate in Greenwich, Conn. for $65 million. Mr. Peterffy’s house and most of the ...