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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.

Dow futures drop as report says White House mulls global tariff of up to 20% on nearly all trading partners
Finance
Dow futures drop as report says White House mulls global tariff of up to 20% on nearly all trading partners
By Jason MaMarch 30, 2025
The world is asking what an American promise is worth now. The answer could determine the dollar’s future
Finance
The world is asking what an American promise is worth now. The answer could determine the dollar’s future
By Jason MaMarch 30, 2025
Soaring U.S. debt may start to overwhelm America’s ‘exorbitant privilege‘
Finance
Soaring U.S. debt may start to overwhelm America’s ‘exorbitant privilege‘
By Jason MaMarch 30, 2025
Trump says auto tariffs are permanent and doesn’t care if they cause carmakers to hike prices—‘I hope they raise their prices’
Finance
Trump says auto tariffs are permanent and doesn’t care if they cause carmakers to hike prices—‘I hope they raise their prices’
By Jason MaMarch 29, 2025
Some US oil executives see disaster in Trump’s agenda while dismissing ‘drill, baby, drill’ as a ‘myth and populist rallying cry’
Finance
Some US oil executives see disaster in Trump’s agenda while dismissing ‘drill, baby, drill’ as a ‘myth and populist rallying cry’
By Jason MaMarch 29, 2025
Trump seeks even more aggressive tariffs to fundamentally transform the US economy and eyes a single universal duty, report says
Finance
Trump seeks even more aggressive tariffs to fundamentally transform the US economy and eyes a single universal duty, report says
By Jason MaMarch 29, 2025
A United States Treasury government check rests on top of a Social Security card
Finance
Social Security employee warns ‘people could be out of benefits for months’ as staffers who fix payment glitches exit
By Jason MaMarch 29, 2025
The IRS could collect $500 billion less in tax revenue, report says, and the U.S. may run out of cash in a few months without a debt-ceiling hike
Finance
The IRS could collect $500 billion less in tax revenue, report says, and the U.S. may run out of cash in a few months without a debt-ceiling hike
By Jason MaMarch 24, 2025
The Cuban Missile Crisis has a lesson for today’s stock market as the next Trump tariffs could fuel a huge rebound, top Wall Street forecaster says
Finance
The Cuban Missile Crisis has a lesson for today’s stock market as the next Trump tariffs could fuel a huge rebound, top Wall Street forecaster says
By Jason MaMarch 23, 2025
The U.S. now suffers from these 5 dead giveaways of an emerging-market economy in trouble, former IMF official says — ‘It pains me to say it’
Finance
The U.S. now suffers from these 5 dead giveaways of an emerging-market economy in trouble, former IMF official says — ‘It pains me to say it’
By Jason MaMarch 23, 2025
Cathie Wood says the U.S. is in a ‘rolling recession’ as money velocity collapses, but that will help unlock Fed rate cuts and lower taxes
Finance
Cathie Wood says the U.S. is in a ‘rolling recession’ as money velocity collapses, but that will help unlock Fed rate cuts and lower taxes
By Jason MaMarch 23, 2025
The F-47 stealth fighter will likely be the ‘most important defense decision’ of Trump’s entire term, retired Air Force general says
Finance
The F-47 stealth fighter will likely be the ‘most important defense decision’ of Trump’s entire term, retired Air Force general says
By Jason MaMarch 22, 2025
US debt could explode above 200% of GDP in two decades if Trump’s tax cuts become permanent, CBO says — putting it at unsustainable levels
Finance
US debt could explode above 200% of GDP in two decades if Trump’s tax cuts become permanent, CBO says — putting it at unsustainable levels
By Jason MaMarch 22, 2025
Since Elon Musk joined Trump’s White House, more Tesla owners are trading in their cars than ever before
Finance
Since Elon Musk joined Trump’s White House, more Tesla owners are trading in their cars than ever before
By Jason MaMarch 21, 2025
Warren Buffett is investing more money in Japan amid the recent selloff in the U.S. stock market
Finance
Warren Buffett is investing more money in Japan amid the recent selloff in the U.S. stock market
By Jason MaMarch 17, 2025
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