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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 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
Trump Accounts are now available for kids. Here’s where the money will be invested in the stock market—in line with Warren Buffett’s advice
Investing
Trump Accounts are now available for kids. Here’s where the money will be invested in the stock market—in line with Warren Buffett’s advice
By Jason MaJuly 4, 2026
The Supreme Court upholds Fed independence by saving Lisa Cook’s job—and also saves U.S. debt from a crisis
Economy
The Supreme Court upholds Fed independence by saving Lisa Cook’s job—and also saves U.S. debt from a crisis
By Jason MaJune 29, 2026
Hyperscalers could end up resembling airlines—plagued by small margins, intense competition, and high expenses, AI skeptic warns 
AI
Hyperscalers could end up resembling airlines—plagued by small margins, intense competition, and high expenses, AI skeptic warns 
By Jason MaJune 29, 2026
Markets feel relief as the U.S. and Iran agree to a ceasefire on their earlier ‘ceasefire’ that was looking at lot like a war over Hormuz
Energy
Markets feel relief as the U.S. and Iran agree to a ceasefire on their earlier ‘ceasefire’ that was looking at lot like a war over Hormuz
By Jason MaJune 28, 2026
Social Security is headed for a day of reckoning, and Congress is running out of time to save boomers. Lawmakers are proposing some hard choices
Economy
Social Security is headed for a day of reckoning, and Congress is running out of time to save boomers. Lawmakers are proposing some hard choices
By Jason MaJune 28, 2026
Iran is forcing the U.S. into an escalation trap as a ‘shadow war’ over the Strait of Hormuz heats up that could kill the tenuous ceasefire
Politics
Iran is forcing the U.S. into an escalation trap as a ‘shadow war’ over the Strait of Hormuz heats up that could kill the tenuous ceasefire
By Jason MaJune 28, 2026
Forget the ceasefire — The U.S. and Iran are still locked in combat over the Strait of Hormuz as Tehran tries to shut down a competing route
Middle East
Forget the ceasefire — The U.S. and Iran are still locked in combat over the Strait of Hormuz as Tehran tries to shut down a competing route
By Jason MaJune 27, 2026
The contrarian view for Fed rate cuts: Payrolls will weaken, inflation will plunge, and Kevin Warsh was ‘largely performative’ in his hawkishness
Economy
The contrarian view for Fed rate cuts: Payrolls will weaken, inflation will plunge, and Kevin Warsh was ‘largely performative’ in his hawkishness
By Jason MaJune 27, 2026
Photo: Russian President Vladimir Putin Attends ASEAN-Russia Summit
Europe
The end of Putin’s regime will spring from war spending chaos, former central bank advisor says, amid military mutiny threat and fuel-shortage brawls
By Jason MaJune 27, 2026
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Success
Ex-PepsiCo CEO Indra Nooyi worked from midnight until 5 a.m. as a receptionist to pay for her Yale degree—and she says ‘respect went up’ because of itplaceholder alt text
By Preston ForeJuly 6, 2026
AI
Shark Tank's Kevin O'Leary says if he were 25 today, he'd chase these two booming opportunities in the world of AIplaceholder alt text
By Marco Quiroz-GutierrezJuly 5, 2026
Asia
China’s birth rate just hit its lowest point since 1949—and Trip.com cofounder James Liang thinks that’s a threat to innovationplaceholder alt text
By Nicholas GordonJuly 7, 2026
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