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Photo of Jason Ma
Photo of Jason Ma
Jason Ma

Jason Ma is the weekend editor at Fortune, where he covers markets, the economy, finance and housing. Before joining Fortune, he was an editor at Business Insider, Investor’s Business Daily, and Dow Jones Newswires. He also took time off from journalism to serve in the Marine Corps. He is a graduate of the University of Southern California and UC Berkeley.

OpenAI cofounder says he hasn’t written a line of code in months and is in a ‘state of psychosis’ trying to figure out what’s possible
AI
OpenAI cofounder says he hasn’t written a line of code in months and is in a ‘state of psychosis’ trying to figure out what’s possible
By Jason MaMarch 21, 2026
United Airlines plans for oil hitting $175 a barrel and staying above $100 next year as industry faces worst shock since COVID
Energy
United Airlines plans for oil hitting $175 a barrel and staying above $100 next year as industry faces worst shock since COVID
By Jason MaMarch 21, 2026
It’s looking like Trump’s war created a private oil lane for China and other countries willing to play ball with Iran
Middle East
It’s looking like Trump’s war created a private oil lane for China and other countries willing to play ball with Iran
By Jason MaMarch 20, 2026
300 years of wars show they are ‘always disaster times’ for holders of government debt because of inflation and financial repression
Investing
300 years of wars show they are ‘always disaster times’ for holders of government debt because of inflation and financial repression
By Jason MaMarch 20, 2026
U.S. debt is competing with a record supply of corporate bonds, pushing up the cost of federal borrowing just as war spending piles up
Economy
U.S. debt is competing with a record supply of corporate bonds, pushing up the cost of federal borrowing just as war spending piles up
By Jason MaMarch 16, 2026
Iran’s attacks have collapsed, and the trend is ‘overwhelmingly positive,’ analysts say. But the military side is separate from politics and markets
Middle East
Iran’s attacks have collapsed, and the trend is ‘overwhelmingly positive,’ analysts say. But the military side is separate from politics and markets
By Jason MaMarch 16, 2026
Despite Greenland crisis, Trump suggests NATO owes him help on Iran war after U.S. support for Ukraine. ‘We’ve been very sweet’
Energy
Despite Greenland crisis, Trump suggests NATO owes him help on Iran war after U.S. support for Ukraine. ‘We’ve been very sweet’
By Jason MaMarch 15, 2026
An OpenAI cofounder ‘vibe coded’ an analysis of the U.S. labor market’s exposure to AI, and the highest-paying jobs have the worst scores
AI
An OpenAI cofounder ‘vibe coded’ an analysis of the U.S. labor market’s exposure to AI, and the highest-paying jobs have the worst scores
By Jason MaMarch 15, 2026
An Australian tech entrepreneur used AI to help create the first-ever bespoke cancer vaccine for a dog to treat his beloved pet Rosie
AI
An Australian tech entrepreneur used AI to help create the first-ever bespoke cancer vaccine for a dog to treat his beloved pet Rosie
By Jason MaMarch 15, 2026
‘Peak war panic’ will likely hit financial markets in 1-3 weeks, strategist predicts, as Trump says he doesn’t want to make a deal with Iran yet
Energy
‘Peak war panic’ will likely hit financial markets in 1-3 weeks, strategist predicts, as Trump says he doesn’t want to make a deal with Iran yet
By Jason MaMarch 14, 2026
Travis Kalanick sees benefits of being in stealth mode for 8 years. ‘You build a culture of people that want to build and do not need to be famous’
Big Tech
Travis Kalanick sees benefits of being in stealth mode for 8 years. ‘You build a culture of people that want to build and do not need to be famous’
By Jason MaMarch 14, 2026
Trump’s AI czar calls for U.S. to ‘get out’ of war and warns Iran has a ‘dead man’s switch’ that could render Gulf states almost uninhabitable
Middle East
Trump’s AI czar calls for U.S. to ‘get out’ of war and warns Iran has a ‘dead man’s switch’ that could render Gulf states almost uninhabitable
By Jason MaMarch 14, 2026
U.S. debt is like a Hallmark movie boyfriend who eventually gets dumped for a small town firefighter, budget watchdog warns 
Economy
U.S. debt is like a Hallmark movie boyfriend who eventually gets dumped for a small town firefighter, budget watchdog warns 
By Jason MaMarch 13, 2026
The Strait of Hormuz is an Iranian ‘kill box,’ preventing the U.S. Navy from securing it right now and letting tankers pass through freely
Energy
The Strait of Hormuz is an Iranian ‘kill box,’ preventing the U.S. Navy from securing it right now and letting tankers pass through freely
By Jason MaMarch 13, 2026
Like Trump, Iran’s new supreme leader is a real estate mogul, with a house on ‘Billionaires’ Row,’ a villa in Dubai, and upscale European hotels
Middle East
Like Trump, Iran’s new supreme leader is a real estate mogul, with a house on ‘Billionaires’ Row,’ a villa in Dubai, and upscale European hotels
By Jason MaMarch 9, 2026
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Success
A dropout living in a trailer, he got $1 million from Peter Thiel at 19—now he's a billionaire who says the American Dream isn't deadplaceholder alt text
By Orianna Rosa RoyleAugust 18, 2026
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