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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.

Warren Buffett’s Berkshire Hathaway sold stocks and didn’t snap up bargains even as markets crumbled after ‘Liberation Day’
FinanceWarren Buffett’s Berkshire Hathaway sold stocks and didn’t snap up bargains even as markets crumbled after ‘Liberation Day’
By Jason MaAugust 2, 2025
Shockingly bad jobs report reveals a monthslong stall and may trigger Fed rate cuts soon. ‘Powell is going to regret holding rates steady’
EconomyShockingly bad jobs report reveals a monthslong stall and may trigger Fed rate cuts soon. ‘Powell is going to regret holding rates steady’
By Jason MaAugust 1, 2025
As if the trade war never happened, stocks could pull off a feat not seen since the late-1990s boom
FinanceAs if the trade war never happened, stocks could pull off a feat not seen since the late-1990s boom
By Jason MaJuly 29, 2025
Facing Russia’s war on Ukraine, the EU couldn’t risk fighting a trade war with the U.S., analyst says
EconomyFacing Russia’s war on Ukraine, the EU couldn’t risk fighting a trade war with the U.S., analyst says
By Jason MaJuly 28, 2025
Dow futures rise on US-EU trade pact as investors brace for fast and furious week of earnings, China talks, Fed, GDP, jobs report, tariff deadline
FinanceDow futures rise on US-EU trade pact as investors brace for fast and furious week of earnings, China talks, Fed, GDP, jobs report, tariff deadline
By Jason MaJuly 27, 2025
Trump scores another big trade deal after securing promise of massive investment, but China will be less willing to cave, analyst says
EconomyTrump scores another big trade deal after securing promise of massive investment, but China will be less willing to cave, analyst says
By Jason MaJuly 27, 2025
U.S. and EU reach a trade deal that sets 15% tariff rate and pledges hundreds of billions in investments
EconomyU.S. and EU reach a trade deal that sets 15% tariff rate and pledges hundreds of billions in investments
By Jason MaJuly 27, 2025
‘US exceptionalism roars back’ as markets defy doomsayers and draw record foreign inflows after panic over Trump tariffs
Finance‘US exceptionalism roars back’ as markets defy doomsayers and draw record foreign inflows after panic over Trump tariffs
By Jason MaJuly 27, 2025
Here’s how the Federal Reserve funds itself, including renovations, without taxpayer dollars
FinanceHere’s how the Federal Reserve funds itself, including renovations, without taxpayer dollars
By Jason MaJuly 26, 2025
U.S.-Japan trade deal gives Trump control over $550 billion in investments. It could be ‘vaporware’—and a model for other countries
EconomyU.S.-Japan trade deal gives Trump control over $550 billion in investments. It could be ‘vaporware’—and a model for other countries
By Jason MaJuly 26, 2025
Gwyneth Paltrow tackles Astronomer’s most common questions as ‘very temporary’ spokesperson — ‘OMG! What the actual f’
LeadershipGwyneth Paltrow tackles Astronomer’s most common questions as ‘very temporary’ spokesperson — ‘OMG! What the actual f’
By Jason MaJuly 26, 2025
Stocks hit fresh all-time highs as strong earnings continue to power market rally
FinanceStocks hit fresh all-time highs as strong earnings continue to power market rally
By Jason MaJuly 21, 2025
A weak housing market could deliver rate cuts and rescue the Fed from Trump
EconomyA weak housing market could deliver rate cuts and rescue the Fed from Trump
By Jason MaJuly 21, 2025
Dow futures turn higher as investors brace for a big week of earnings, housing market data and Jerome Powell
FinanceDow futures turn higher as investors brace for a big week of earnings, housing market data and Jerome Powell
By Jason MaJuly 20, 2025
Top economist sounds the alarm even louder on the housing market and says homebuilders are ‘giving up’
EconomyTop economist sounds the alarm even louder on the housing market and says homebuilders are ‘giving up’
By Jason MaJuly 20, 2025
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