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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.

Forget U.S. debt, China’s total borrowing is in ‘a league of its own’—much worse and deteriorating faster, analyst says
Economy
Forget U.S. debt, China’s total borrowing is in ‘a league of its own’—much worse and deteriorating faster, analyst says
By Jason MaMay 11, 2026
Markets sell off as U.S.-Iran ceasefire plans go nowhere, leaving Trump with military options to reopen the Strait of Hormuz
Energy
Markets sell off as U.S.-Iran ceasefire plans go nowhere, leaving Trump with military options to reopen the Strait of Hormuz
By Jason MaMay 10, 2026
Market guru Yardeni sees S&P 500 hitting 8,250 this year, highest among top Wall Street forecasters, as earnings bolster ‘Roaring 2020s’
Investing
Market guru Yardeni sees S&P 500 hitting 8,250 this year, highest among top Wall Street forecasters, as earnings bolster ‘Roaring 2020s’
By Jason MaMay 10, 2026
The global economy is experiencing the largest capex cycle ever, with nearly $5 trillion seen by the end of the decade—and it’s not all AI spending
Energy
The global economy is experiencing the largest capex cycle ever, with nearly $5 trillion seen by the end of the decade—and it’s not all AI spending
By Jason MaMay 10, 2026
The federal government must issue more debt than it expected as cash flow weakens, and ‘the bond market is shouting’
Investing
The federal government must issue more debt than it expected as cash flow weakens, and ‘the bond market is shouting’
By Jason MaMay 9, 2026
Russian debt defaults are surging, with a quarter of the bond market at risk, while Putin hides in bunkers fixated on his war instead of the economy
Economy
Russian debt defaults are surging, with a quarter of the bond market at risk, while Putin hides in bunkers fixated on his war instead of the economy
By Jason MaMay 9, 2026
Ted Cruz says the quiet part out loud: Trump accounts are Social Security personal accounts as GOP senator reveals ‘dirty little secret’
Politics
Ted Cruz says the quiet part out loud: Trump accounts are Social Security personal accounts as GOP senator reveals ‘dirty little secret’
By Jason MaMay 9, 2026
Iran may have a higher tolerance for economic pain—but the pain is excruciating as regime reveals 100% inflation in just days on some items
Economy
Iran may have a higher tolerance for economic pain—but the pain is excruciating as regime reveals 100% inflation in just days on some items
By Jason MaMay 8, 2026
Battle for Hormuz begins as U.S. military fights off Iranian attacks while seeking to break regime’s grip on ship traffic through strait
Politics
Battle for Hormuz begins as U.S. military fights off Iranian attacks while seeking to break regime’s grip on ship traffic through strait
By Jason MaMay 4, 2026
Markets on alert as Trump vows ‘Project Freedom’ for Hormuz, setting up potential showdown after renewed attacks on ships
Energy
Markets on alert as Trump vows ‘Project Freedom’ for Hormuz, setting up potential showdown after renewed attacks on ships
By Jason MaMay 3, 2026
As economic despair mounts, Russian official admits the country has had enough of Putin’s war on Ukraine. ‘We can’t even take one region’
Economy
As economic despair mounts, Russian official admits the country has had enough of Putin’s war on Ukraine. ‘We can’t even take one region’
By Jason MaMay 3, 2026
The clock is ticking as oil markets barrel toward nightmare scenarios with the West bracing for ‘tank bottoms’ and Iran racing to delay ‘tank tops’
Energy
The clock is ticking as oil markets barrel toward nightmare scenarios with the West bracing for ‘tank bottoms’ and Iran racing to delay ‘tank tops’
By Jason MaMay 3, 2026
Warren Buffett says markets are like a church with a casino attached, but ‘we’ve never had people in a more gambling mood than now’
Investing
Warren Buffett says markets are like a church with a casino attached, but ‘we’ve never had people in a more gambling mood than now’
By Jason MaMay 2, 2026
Interest on U.S. debt is becoming a top driver of future deficits, as the sheer size of past borrowing overwhelms the fiscal outlook 
Economy
Interest on U.S. debt is becoming a top driver of future deficits, as the sheer size of past borrowing overwhelms the fiscal outlook 
By Jason MaMay 2, 2026
Jensen Huang says some CEOs have a ‘God complex’ when it comes to AI apocalypse warnings, which can create shortages of critical workers
AI
Jensen Huang says some CEOs have a ‘God complex’ when it comes to AI apocalypse warnings, which can create shortages of critical workers
By Jason MaMay 2, 2026
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