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.
By Jason MaMay 4, 2025
InvestingWarren Buffett has long warned others against picking stocks, but admits he invests in a ‘very irregular manner’
By Jason MaMay 4, 2025
By Jason MaMay 3, 2025
FinanceWarren 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
FinanceWarren 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
RetailToy shortages are in the pipeline as U.S. firms cancel orders with tariffs putting Christmas ‘at risk’
By Jason MaMay 2, 2025
PoliticsChina 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
FinanceDow futures climb as stocks point higher after Trump issues temporary tariff exemptions on key tech imports
By Jason MaApril 13, 2025
FinanceThese 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
FinanceTo slow China’s tech advances, Trump should keep its factories addicted to cheap exports via low tariffs, economist says
By Jason MaApril 13, 2025
FinanceTrump 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
FinanceTrump’s sudden tariff exemptions on key tech imports remove a ‘doomsday scenario’ for the industry, top analyst says
By Jason MaApril 12, 2025
FinanceTrump carves out massive exemptions from reciprocal tariffs, including smartphones, chips and computers
By Jason MaApril 12, 2025
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