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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.

U.S. shale executives have no idea when the oil market will go off a cliff
Energy
U.S. shale executives have no idea when the oil market will go off a cliff
By Jason MaOctober 5, 2026
Japan’s population is shrinking at an accelerating rate, but the nationalist prime minister is making it harder for foreigners to live there
Asia
Japan’s population is shrinking at an accelerating rate, but the nationalist prime minister is making it harder for foreigners to live there
By Jason MaOctober 4, 2026
Persian Gulf oil flows return to prewar levels, but Iran could resort to a ‘scorched earth campaign’ as U.S. deploys more ships and Marines to Mideast
Middle East
Persian Gulf oil flows return to prewar levels, but Iran could resort to a ‘scorched earth campaign’ as U.S. deploys more ships and Marines to Mideast
By Jason MaOctober 4, 2026
Even ‘Bond King’ Bill Gross warns ‘Don’t own bonds’ as long-term debt enters a new era of volatility 
Economy
Even ‘Bond King’ Bill Gross warns ‘Don’t own bonds’ as long-term debt enters a new era of volatility 
By Jason MaOctober 4, 2026
Iran’s currency is getting obliterated as the regime is about to run out of oil to sell and can’t even get its money from customers
Middle East
Iran’s currency is getting obliterated as the regime is about to run out of oil to sell and can’t even get its money from customers
By Jason MaOctober 3, 2026
Zohran Mamdani says ‘you have to luck out in some big way’ to achieve the American Dream now—and many people see better odds of winning the lottery
Economy
Zohran Mamdani says ‘you have to luck out in some big way’ to achieve the American Dream now—and many people see better odds of winning the lottery
By Jason MaOctober 3, 2026
U.S. debt is increasingly at the mercy of the market as interest costs surge while elections add more risk to the debt ceiling, ratings agency warns
Economy
U.S. debt is increasingly at the mercy of the market as interest costs surge while elections add more risk to the debt ceiling, ratings agency warns
By Jason MaOctober 3, 2026
France debt crisis: Bond investors have rendered a ‘guilty’ verdict and are pricing in growing odds of a sovereign default, analyst says
Economy
France debt crisis: Bond investors have rendered a ‘guilty’ verdict and are pricing in growing odds of a sovereign default, analyst says
By Jason MaOctober 2, 2026
Saudi Arabia is reaping a massive oil windfall, making it perhaps the Iran war’s only winner. Tehran’s proxies actually ‘did Saudi a favor’
Middle East
Saudi Arabia is reaping a massive oil windfall, making it perhaps the Iran war’s only winner. Tehran’s proxies actually ‘did Saudi a favor’
By Jason MaSeptember 28, 2026
The U.S. may soon receive $600 million worth of Iranian oil that was seized earlier in the war, putting an ancient body of maritime law back in focus
Middle East
The U.S. may soon receive $600 million worth of Iranian oil that was seized earlier in the war, putting an ancient body of maritime law back in focus
By Jason MaSeptember 27, 2026
Thinking about buying stocks instead of a home as mortgage rates top 7%? The S&P 500 has blown away the housing market over the past decade
Real Estate
Thinking about buying stocks instead of a home as mortgage rates top 7%? The S&P 500 has blown away the housing market over the past decade
By Jason MaSeptember 27, 2026
The U.S. economy is running hot and stuck on a hamster wheel as GDP growth must outpace borrowing costs—or risk getting sucked into a debt spiral
Economy
The U.S. economy is running hot and stuck on a hamster wheel as GDP growth must outpace borrowing costs—or risk getting sucked into a debt spiral
By Jason MaSeptember 27, 2026
Here’s how much worse U.S. debt could get as Treasury yields surge to the highest levels in two decades
Economy
Here’s how much worse U.S. debt could get as Treasury yields surge to the highest levels in two decades
By Jason MaSeptember 26, 2026
Trump stonewalls Iran as U.S. helps double oil volume exiting the Persian Gulf, with the military now guiding ships through Hormuz in broad daylight
Middle East
Trump stonewalls Iran as U.S. helps double oil volume exiting the Persian Gulf, with the military now guiding ships through Hormuz in broad daylight
By Jason MaSeptember 26, 2026
‘Godfather of AI’ explains how humanity could end: Even without a bad actor, AI ‘may derive subgoals that cause it to want to get rid of people’
AI
‘Godfather of AI’ explains how humanity could end: Even without a bad actor, AI ‘may derive subgoals that cause it to want to get rid of people’
By Jason MaSeptember 26, 2026
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Most Popular
North America
Google cofounder Sergey Brin has spent $102 million to fight California’s proposed billionaire tax—he could owe $13 billion if he losesplaceholder alt text
By Sasha RogelbergOctober 3, 2026
Success
Anthropic’s Daniela Amodei says entrepreneurs should go on vacation to road test potential cofounders—if they’re a drain, they’re ‘the wrong choice’placeholder alt text
By Emma BurleighOctober 4, 2026
North America
Where Americans are moving by generation, according to U-Haul: Boomers pick the Carolinas, Gen Z picks Texas and Californiaplaceholder alt text
By Andrew McGowanOctober 3, 2026
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