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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.

Traders work on the floor of the New York Stock Exchange
Finance
Stocks may snap longest winning streak in 20 years as futures dip while OPEC+ crushes oil prices
By Jason MaMay 4, 2025
Buffett explains why he prefers to invest in stocks instead of real estate
Investing
Buffett explains why he prefers to invest in stocks instead of real estate
By Jason MaMay 4, 2025
Warren Buffett has long warned others against picking stocks, but admits he invests in a ‘very irregular manner’
Investing
Warren Buffett has long warned others against picking stocks, but admits he invests in a ‘very irregular manner’
By Jason MaMay 4, 2025
Warren Buffett says Greg Abel should take over as Berkshire Hathaway CEO by year’s end
Leadership
Warren Buffett says Greg Abel should take over as Berkshire Hathaway CEO by year’s end
By Jason MaMay 3, 2025
Warren Buffett has this advice for young investors—and it has nothing to do with where they should put their money
Finance
Warren Buffett has this advice for young investors—and it has nothing to do with where they should put their money
By Jason MaMay 3, 2025
Warren Buffett reveals Berkshire was ‘pretty close’ to a $10 billion deal not long ago but held off as cash continues to pile up
Finance
Warren Buffett reveals Berkshire was ‘pretty close’ to a $10 billion deal not long ago but held off as cash continues to pile up
By Jason MaMay 3, 2025
Toy shortages are in the pipeline as U.S. firms cancel orders with tariffs putting Christmas ‘at risk’
Retail
Toy shortages are in the pipeline as U.S. firms cancel orders with tariffs putting Christmas ‘at risk’
By Jason MaMay 2, 2025
China has stopped exporting rare earths to everyone, not just the U.S., cutting off critical materials for tech, autos, aerospace, and defense 
Politics
China has stopped exporting rare earths to everyone, not just the U.S., cutting off critical materials for tech, autos, aerospace, and defense 
By Jason MaApril 14, 2025
Dow futures climb as stocks point higher after Trump issues temporary tariff exemptions on key tech imports
Finance
Dow futures climb as stocks point higher after Trump issues temporary tariff exemptions on key tech imports
By Jason MaApril 13, 2025
These market veterans still think America is the best place to put your money — ‘Tech Trumps Tariffs even if Mickey Mouse or a clown were to run the US!’
Finance
These market veterans still think America is the best place to put your money — ‘Tech Trumps Tariffs even if Mickey Mouse or a clown were to run the US!’
By Jason MaApril 13, 2025
To slow China’s tech advances, Trump should keep its factories addicted to cheap exports via low tariffs, economist says
Finance
To slow China’s tech advances, Trump should keep its factories addicted to cheap exports via low tariffs, economist says
By Jason MaApril 13, 2025
Trump can pull stocks back from the brink, but bond and currency markets may not be so easily impressed as they rapidly de-dollarize
Finance
Trump can pull stocks back from the brink, but bond and currency markets may not be so easily impressed as they rapidly de-dollarize
By Jason MaApril 12, 2025
Trump’s sudden tariff exemptions on key tech imports remove a ‘doomsday scenario’ for the industry, top analyst says
Finance
Trump’s sudden tariff exemptions on key tech imports remove a ‘doomsday scenario’ for the industry, top analyst says
By Jason MaApril 12, 2025
Trump carves out massive exemptions from reciprocal tariffs, including smartphones, chips and computers
Finance
Trump carves out massive exemptions from reciprocal tariffs, including smartphones, chips and computers
By Jason MaApril 12, 2025
Stocks jump at end of roller-coaster week while de-dollarization trade continues to slam the greenback and U.S. bonds
Finance
Stocks jump at end of roller-coaster week while de-dollarization trade continues to slam the greenback and U.S. bonds
By Jason MaApril 11, 2025
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