American billionaire Ken Griffin says AI is ‘almost certainly’ in a bubble right now
Citadel founder Ken Griffin says investors are ‘almost certainly’ in an AI bubble, but predicts the technology will create a golden era for entrepreneurs.
American billionaires
American billionaire Michael Bloomberg gives Democrats $80 million before US midterms
Michael Bloomberg, the billionaire founder of Bloomberg LP and former New York City mayor, has given Democrats about $80 million ahead of the November midterms.
American billionaire Michael Dell helps SK chairman Chey Tae-won fund $711 million divorce
A Michael Dell family fund is paying $410 million for SK Inc. shares that SK Group chairman Chey Tae-won is selling to pay his ex-wife.
American billionaire Elon Musk's SpaceX and Tesla explore $3.5 trillion merger
SpaceX and Tesla have each formed special committees to study a merger, Elon Musk said, in what would be the largest corporate deal ever.
American billionaire Jeff Bezos' Earth Fund joins $500 million endangered species pledge
The Bezos Earth Fund, the climate and nature charity of Amazon founder Jeff Bezos, joined eight funders pledging $500 million to save endangered species.
American billionaire Warren Buffett's Berkshire Hathaway puts $595 million into homebuilder Lennar
Berkshire Hathaway, the conglomerate built by Warren Buffett, spent about $595 million on Lennar shares in a two-week buying run, lifting its stake to 12%.
American billionaire Charles Ergen, Adelsons each gave $25 million for Trump's ballroom
Charles Ergen and the Adelson family each committed $25 million to President Trump's White House ballroom, the top amount given, according to donor records.
American billionaire Ray Dalio sells famous Australian sheep stations for $209 million
Ray Dalio and his Australian partners have sold six New South Wales farms, including two famous Merino studs, for about $209 million.
American billionaire David Duffield sells $18.6 million of Workday shares
Workday co-founder David Duffield has sold $18.6 million of the software company's shares, leaving him with a stake worth about $6.7 billion.
American billionaire Ken Griffin raises his Miami hospital gift to $75 million
Citadel founder Ken Griffin has raised his gift to a Miami hospital's neuroscience institute to $75 million, a week after a $3 billion pledge.
The Richest Black women in America 2026
Oprah Winfrey, Rihanna, Beyoncé and Sheila Johnson lead a powerful group of Black women who have built some of America's most impressive fortunes.
Ted Turner, billionaire founder of CNN, dies at 87
Ted Turner, the billionaire media maverick who founded CNN and revolutionised television news with the first 24-hour news channel, has died at 87.
U.S. billionaire John Arnold warns sports betting is destroying young men
Billionaire John Arnold says sports prediction markets are designed to keep young men engaged in ways that lead to debt, addiction and mental health breakdowns.