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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.

California’s billionaire tax will ‘kickstart a movement’ that spreads to more states, the federal government and other countries, Nobel laureates say
Big Tech
California’s billionaire tax will ‘kickstart a movement’ that spreads to more states, the federal government and other countries, Nobel laureates say
By Jason MaSeptember 19, 2026
Warren Buffett abruptly steps down as Berkshire chair as ‘Father Time’ wins, handing role to son Howard who will ‘guard its culture and values’
C-Suite
Warren Buffett abruptly steps down as Berkshire chair as ‘Father Time’ wins, handing role to son Howard who will ‘guard its culture and values’
By Jason MaSeptember 18, 2026
Spiking oil prices jolt U.S. bond yields past 5%, threatening to set off a vicious cycle of debt just as the Fed is expected to hike rates
Energy
Spiking oil prices jolt U.S. bond yields past 5%, threatening to set off a vicious cycle of debt just as the Fed is expected to hike rates
By Jason MaSeptember 14, 2026
Stocks are in a late-stage bubble and poised to crash 21% next year, while Treasury yields above 5% will signal a new era of tight money, analysts say
Investing
Stocks are in a late-stage bubble and poised to crash 21% next year, while Treasury yields above 5% will signal a new era of tight money, analysts say
By Jason MaSeptember 13, 2026
The third rail isn’t what it used to be. As the Social Security fund’s insolvency nears, more lawmakers are open to tax hikes—even Republicans
Politics
The third rail isn’t what it used to be. As the Social Security fund’s insolvency nears, more lawmakers are open to tax hikes—even Republicans
By Jason MaSeptember 13, 2026
Anthropic CEO Dario Amodei and AI whistleblower Jacob Coxon agree: Something terrifying could happen in a matter of months
AI
Anthropic CEO Dario Amodei and AI whistleblower Jacob Coxon agree: Something terrifying could happen in a matter of months
By Jason MaSeptember 13, 2026
Mortgage lending standards are so tight that homebuyers must have ‘pristine’ credit histories, study says, as sales head for 31-year low
Real Estate
Mortgage lending standards are so tight that homebuyers must have ‘pristine’ credit histories, study says, as sales head for 31-year low
By Jason MaSeptember 12, 2026
Trump and Xi Jinping would both win the Nobel Peace Prize if they make a U.S.-China deal on AI development, OpenAI CEO Sam Altman says
AI
Trump and Xi Jinping would both win the Nobel Peace Prize if they make a U.S.-China deal on AI development, OpenAI CEO Sam Altman says
By Jason MaSeptember 12, 2026
Sam Altman confirms OpenAI won’t go public this year, saying an IPO now would come at an ‘ill-advised moment’ given AI safety concerns
AI
Sam Altman confirms OpenAI won’t go public this year, saying an IPO now would come at an ‘ill-advised moment’ given AI safety concerns
By Jason MaSeptember 12, 2026
Oil prices dive on signs of Hormuz diplomacy while Saudi Arabia is left hanging in fight against an Iranian ally threatening crude’s other chokepoint
Middle East
Oil prices dive on signs of Hormuz diplomacy while Saudi Arabia is left hanging in fight against an Iranian ally threatening crude’s other chokepoint
By Jason MaSeptember 11, 2026
China’s export shock is pushing the global economy to a breaking point, and the U.S. may have to clean up the mess, former trade official says
Economy
China’s export shock is pushing the global economy to a breaking point, and the U.S. may have to clean up the mess, former trade official says
By Jason MaSeptember 6, 2026
U.S. debt is even worse than it seems, and rising Treasury yields are now an ‘all-hands-on-deck situation,’ top economist warns
Economy
U.S. debt is even worse than it seems, and rising Treasury yields are now an ‘all-hands-on-deck situation,’ top economist warns
By Jason MaSeptember 6, 2026
Even Supreme Leader Mojtaba Khamenei is worried about Iran’s economy and ‘social cohesion’ as U.S. pressure gets tougher to withstand
Middle East
Even Supreme Leader Mojtaba Khamenei is worried about Iran’s economy and ‘social cohesion’ as U.S. pressure gets tougher to withstand
By Jason MaSeptember 6, 2026
These industries will lead hiring in the next decade, with just one sector accounting for more than a third of all new jobs
Economy
These industries will lead hiring in the next decade, with just one sector accounting for more than a third of all new jobs
By Jason MaSeptember 5, 2026
‘Chuck it in the fire.’ A leading candidate in France’s presidential race has a simple solution to its massive national debt: just cancel it
Economy
‘Chuck it in the fire.’ A leading candidate in France’s presidential race has a simple solution to its massive national debt: just cancel it
By Jason MaSeptember 5, 2026
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Most Popular
North America
Pentagon orders bases to plan for 90 days without the grid as Britain urges families to stockpile food and waterplaceholder alt text
By Bilin LinOctober 26, 2026
North America
Trump promised 300,000 tons of beef imports at lower tariff rates to reduce grocery costs. Instead, shipments have lagged and prices haven’t budgedplaceholder alt text
By Sasha RogelbergOctober 26, 2026
Health
‘Why do we value a Mars bar more than life-saving medicine?’ Sandoz CEO calls for level playing field with cheap Chinese antibiotics placeholder alt text
By Sam ForsdickOctober 27, 2026
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