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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.

This practice in the health insurance industry may have ‘gotten out of control,’ Wall Street analyst says
Health
This practice in the health insurance industry may have ‘gotten out of control,’ Wall Street analyst says
By Jason MaDecember 15, 2024
U.S. oil giant’s CEO is a fan of this nuclear energy technology and thinks there could be a role ‘for a company like ours’
Environment
U.S. oil giant’s CEO is a fan of this nuclear energy technology and thinks there could be a role ‘for a company like ours’
By Jason MaDecember 14, 2024
US debt reckoning escalates sharply as top bond buyer pulls back from long-term Treasuries
Finance
US debt reckoning escalates sharply as top bond buyer pulls back from long-term Treasuries
By Jason MaDecember 14, 2024
OpenAI whistleblower found dead in San Francisco apartment after taking his own life
AI
OpenAI whistleblower found dead in San Francisco apartment after taking his own life
By Jason MaDecember 14, 2024
Jensen Huang
Leadership
In the age of Slack and Zoom, Jensen Huang still swears by email to keep tabs on every corner of Nvidia
By Jason MaDecember 13, 2024
The man held in connection with the UnitedHealthcare CEO’s killing gave the Unabomber’s manifesto a 4-star review
Politics
The man held in connection with the UnitedHealthcare CEO’s killing gave the Unabomber’s manifesto a 4-star review
By Jason Ma and Amanda GerutDecember 9, 2024
Man carrying rolls of toilet paper
Retail
Fear of Trump tariffs is causing Americans to stockpile toilet paper, medicine, and food before prices rise
By Jason MaDecember 9, 2024
Soap bubbles in front of the New York Stock Exchange
Finance
‘The mother of all bubbles’ in the U.S. is sucking money away from the rest of the world, market expert says
By Jason MaDecember 8, 2024
Monopoly money was found in a backpack believed to be worn by the UnitedHealthcare CEO’s killer in what could be another cryptic message
Health
Monopoly money was found in a backpack believed to be worn by the UnitedHealthcare CEO’s killer in what could be another cryptic message
By Jason MaDecember 8, 2024
Trump refuses to guarantee that his tariffs won’t result in Americans paying more
Finance
Trump refuses to guarantee that his tariffs won’t result in Americans paying more
By Jason MaDecember 8, 2024
The gun that killed UnitedHealthcare’s CEO may have been a ‘very unique weapon’
Health
The gun that killed UnitedHealthcare’s CEO may have been a ‘very unique weapon’
By Jason MaDecember 7, 2024
OPEC’s market power is ‘less than you would imagine’ and the US doesn’t need to get fussed over the cartel, State Dept. official says
Finance
OPEC’s market power is ‘less than you would imagine’ and the US doesn’t need to get fussed over the cartel, State Dept. official says
By Jason MaDecember 7, 2024
SpaceX and Palantir now have bigger valuations than top aerospace-defense stocks as the military eyes transformation
Finance
SpaceX and Palantir now have bigger valuations than top aerospace-defense stocks as the military eyes transformation
By Jason MaDecember 7, 2024
Michael Saylor
The Coins
Forget Bitcoin, MicroStrategy is up 500% this year, and Michael Saylor explains how the stock has outperformed its underlying assets
By Jason MaDecember 1, 2024
Elon Musk
Finance
Fidelity boosts valuations of its stakes in Elon Musk’s X and xAI startup, report says
By Jason MaDecember 1, 2024
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Success
Tennessee linebacker Arion Carter was suspended over a $427 flight—now he's donating that amount to charity for every tackle he makes this seasonplaceholder alt text
By Sydney LakeSeptember 9, 2026
Personal Finance
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Economy
How Canada decided to hurt its own economy, raise its inflation—and most Canadians approved because they're so angry at Trumpplaceholder alt text
By Sasha RogelbergSeptember 8, 2026
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