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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.

The AI boom is increasingly built on debt, but investor demand is plunging just as hyperscalers ramp up their bond blitz
AI
The AI boom is increasingly built on debt, but investor demand is plunging just as hyperscalers ramp up their bond blitz
By Jason MaJuly 17, 2026
Trump takes a page from Iran’s playbook on the Strait of Hormuz, leveraging U.S. influence over the contested chokepoint to generate revenue
Middle East
Trump takes a page from Iran’s playbook on the Strait of Hormuz, leveraging U.S. influence over the contested chokepoint to generate revenue
By Jason MaJuly 13, 2026
Rising tempo of combat in battle for Hormuz threatens market’s confidence that the worst is over on Iran. ‘There’s a lot of complacency’
Investing
Rising tempo of combat in battle for Hormuz threatens market’s confidence that the worst is over on Iran. ‘There’s a lot of complacency’
By Jason MaJuly 12, 2026
Russia’s economy is an ‘illusion’ built on debt, and a banking crisis is ready to explode, intel report says, while the Kremlin may seize pensions
Banking
Russia’s economy is an ‘illusion’ built on debt, and a banking crisis is ready to explode, intel report says, while the Kremlin may seize pensions
By Jason MaJuly 12, 2026
The ‘facade’ of the U.S.-Iran ceasefire crumbles after largest round of fighting in months — ‘an undeclared naval war can escalate’
Middle East
The ‘facade’ of the U.S.-Iran ceasefire crumbles after largest round of fighting in months — ‘an undeclared naval war can escalate’
By Jason MaJuly 12, 2026
The U.S. and Iran can’t agree on fully reopening the Strait of Hormuz. The solution could be straight out of the Old Testament
Middle East
The U.S. and Iran can’t agree on fully reopening the Strait of Hormuz. The solution could be straight out of the Old Testament
By Jason MaJuly 11, 2026
The rise of white-collar socialists: ‘A lot of tech workers are working class’
Economy
The rise of white-collar socialists: ‘A lot of tech workers are working class’
By Jason MaJuly 11, 2026
There’s no escape from inflation as a perfect storm of the ‘Godzilla’ El Niño, AI boom, Trump tariffs, fuel crunch, and Ukraine war keep prices high
Economy
There’s no escape from inflation as a perfect storm of the ‘Godzilla’ El Niño, AI boom, Trump tariffs, fuel crunch, and Ukraine war keep prices high
By Jason MaJuly 11, 2026
Top Iranian officials admitted to the supreme leader that the U.S. naval blockade was crushing the economy, report says, as Trump eyes reimposing it
Middle East
Top Iranian officials admitted to the supreme leader that the U.S. naval blockade was crushing the economy, report says, as Trump eyes reimposing it
By Jason MaJuly 10, 2026
The yen is quietly crashing as Japan’s debt crisis bleeds into currency markets, and efforts to halt the slide are ‘doomed to fail,’ economist says
Economy
The yen is quietly crashing as Japan’s debt crisis bleeds into currency markets, and efforts to halt the slide are ‘doomed to fail,’ economist says
By Jason MaJuly 6, 2026
After a nearly 800% explosion, this AI stock’s U.S. debut could signal if the market can still boom—or is headed for a bust
AI
After a nearly 800% explosion, this AI stock’s U.S. debut could signal if the market can still boom—or is headed for a bust
By Jason MaJuly 5, 2026
The stock market is about to suffer a ‘snapback’ and will lose much of this year’s gains as ‘speculation is hitting extreme levels,’ BofA warns
Investing
The stock market is about to suffer a ‘snapback’ and will lose much of this year’s gains as ‘speculation is hitting extreme levels,’ BofA warns
By Jason MaJuly 5, 2026
Investment firm’s cofounder sues after being fired for neglecting the in-person work mandate he signed, saying it applies to employees not owners
Law
Investment firm’s cofounder sues after being fired for neglecting the in-person work mandate he signed, saying it applies to employees not owners
By Jason MaJuly 5, 2026
Russia’s fuel crisis is so bad that a mom and her baby waited in line for 18 hours to get gas — ‘Are we in the Soviet Union?’
Energy
Russia’s fuel crisis is so bad that a mom and her baby waited in line for 18 hours to get gas — ‘Are we in the Soviet Union?’
By Jason MaJuly 4, 2026
U.S. debt is a looming crisis today but was once its own revolutionary masterstroke that helped launch a global financial superpower
Economy
U.S. debt is a looming crisis today but was once its own revolutionary masterstroke that helped launch a global financial superpower
By Jason MaJuly 4, 2026
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