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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.

Meet the hedge fund manager who founded DeepSeek, the Chinese AI startup that began as a hobby and is now laying waste to U.S. stocks
SuccessMeet the hedge fund manager who founded DeepSeek, the Chinese AI startup that began as a hobby and is now laying waste to U.S. stocks
By Jason MaJanuary 27, 2025
The Russian war economy is facing a ‘moment of truth’ as Putin’s dwindling cash reserves raise odds of a financial crash, expert says
FinanceThe Russian war economy is facing a ‘moment of truth’ as Putin’s dwindling cash reserves raise odds of a financial crash, expert says
By Jason MaJanuary 26, 2025
Listed rents soared more than 200% in parts of LA after the wildfires, despite anti-gouging rules
FinanceListed rents soared more than 200% in parts of LA after the wildfires, despite anti-gouging rules
By Jason MaJanuary 26, 2025
Despite Trump’s demand that the Fed cut rates, Wall Street increasingly sees the exact opposite happening
FinanceDespite Trump’s demand that the Fed cut rates, Wall Street increasingly sees the exact opposite happening
By Jason MaJanuary 26, 2025
Javier Milei’s free-market shock therapy to transform Argentina’s economy gets huge endorsement as sudden growth rebound seen
FinanceJavier Milei’s free-market shock therapy to transform Argentina’s economy gets huge endorsement as sudden growth rebound seen
By Jason MaJanuary 25, 2025
Bill Gates reveals he probably would be diagnosed on the autism spectrum if he were growing up today
HealthBill Gates reveals he probably would be diagnosed on the autism spectrum if he were growing up today
By Jason MaJanuary 25, 2025
Chevron sees 1 million barrels per day from one of the world’s biggest oil fields in this OPEC+ state
FinanceChevron sees 1 million barrels per day from one of the world’s biggest oil fields in this OPEC+ state
By Jason MaJanuary 25, 2025
Top economies face ‘population collapse’ as fertility rates drop, and something’s got to give, study says
FinanceTop economies face ‘population collapse’ as fertility rates drop, and something’s got to give, study says
By Jason MaJanuary 19, 2025
Teenage TikTok addict says U.S. ban gave her hope: ‘This app has pervaded every corner of our consciousness’
LifestyleTeenage TikTok addict says U.S. ban gave her hope: ‘This app has pervaded every corner of our consciousness’
By Jason MaJanuary 19, 2025
Real estate brokers seek special exemptions from LA’s ‘mansion tax’ and key rules to spur rebuilding after wildfires
FinanceReal estate brokers seek special exemptions from LA’s ‘mansion tax’ and key rules to spur rebuilding after wildfires
By Jason MaJanuary 18, 2025
California’s insurer of last resort has potential exposure to LA wildfires of nearly $5 billion and reinsurance of $5.78 billion
FinanceCalifornia’s insurer of last resort has potential exposure to LA wildfires of nearly $5 billion and reinsurance of $5.78 billion
By Jason MaJanuary 18, 2025
An investor who spent $27 million on a mansion that burned down on ‘Billionaire’s Beach’ only expects $3 million from insurance 
EnvironmentAn investor who spent $27 million on a mansion that burned down on ‘Billionaire’s Beach’ only expects $3 million from insurance 
By Jason MaJanuary 13, 2025
Gov. Gavin Newsom vows ‘Marshall Plan’ and suspends environmental laws to help rebuild LA after wildfires
EnvironmentGov. Gavin Newsom vows ‘Marshall Plan’ and suspends environmental laws to help rebuild LA after wildfires
By Jason MaJanuary 12, 2025
Trump’s pick for Treasury secretary discloses assets worth at least $521 million, including a home in the Bahamas and S&P 500 ETFs
FinanceTrump’s pick for Treasury secretary discloses assets worth at least $521 million, including a home in the Bahamas and S&P 500 ETFs
By Jason MaJanuary 12, 2025
Jamie Dimon says he doesn’t know who his successor is and drops hints on his post-CEO life — ‘I’m not going to retire like that’
FinanceJamie Dimon says he doesn’t know who his successor is and drops hints on his post-CEO life — ‘I’m not going to retire like that’
By Jason MaJanuary 12, 2025
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