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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.

Putin is running out of money to wage war on Ukraine, and this Russian-occupied territory is running out of fuel as Kyiv smashes supply lines
Energy
Putin is running out of money to wage war on Ukraine, and this Russian-occupied territory is running out of fuel as Kyiv smashes supply lines
By Jason MaJune 5, 2026
The Strait of Hormuz is splitting into U.S. and Iranian lanes as ship traffic picks up even while fighting intensifies
Energy
The Strait of Hormuz is splitting into U.S. and Iranian lanes as ship traffic picks up even while fighting intensifies
By Jason MaJune 1, 2026
Wall Street may have solved a nagging mystery in global oil markets as doomsday scenarios have yet to arrive
Energy
Wall Street may have solved a nagging mystery in global oil markets as doomsday scenarios have yet to arrive
By Jason MaMay 31, 2026
Data centers could help determine who wins the next war, and a shortage of compute would be ‘catastrophic,’ retired general says
AI
Data centers could help determine who wins the next war, and a shortage of compute would be ‘catastrophic,’ retired general says
By Jason MaMay 31, 2026
Financial markets are losing the security blanket that’s bailed them out of trouble so many times, top economist warns 
Economy
Financial markets are losing the security blanket that’s bailed them out of trouble so many times, top economist warns 
By Jason MaMay 31, 2026
Oil bosses warn prices will soar in a matter of weeks as inventories near unprecedented lows — ‘I mean really, really low levels’
Energy
Oil bosses warn prices will soar in a matter of weeks as inventories near unprecedented lows — ‘I mean really, really low levels’
By Jason MaMay 30, 2026
After Blue Origin rocket explosion, NASA’s entire moon exploration program depends on SpaceX for now as Musk eyes blockbuster IPO soon
Innovation
After Blue Origin rocket explosion, NASA’s entire moon exploration program depends on SpaceX for now as Musk eyes blockbuster IPO soon
By Jason MaMay 30, 2026
Damn the torpedoes — More ships are quietly slipping through the Strait of Hormuz as helicopters scare off Iran’s fast-attack boats
Energy
Damn the torpedoes — More ships are quietly slipping through the Strait of Hormuz as helicopters scare off Iran’s fast-attack boats
By Jason MaMay 30, 2026
Russia warns war costs are ravaging its finances while Ukrainian ‘drone overmatch’ sends Putin’s forces reeling in new phase of combat
Politics
Russia warns war costs are ravaging its finances while Ukrainian ‘drone overmatch’ sends Putin’s forces reeling in new phase of combat
By Jason MaMay 29, 2026
Markets rejoice as deal to reopen Hormuz nears, but U.S. forces conduct ‘self-defense strikes’ on Iranian missile sites and boats laying mines
Energy
Markets rejoice as deal to reopen Hormuz nears, but U.S. forces conduct ‘self-defense strikes’ on Iranian missile sites and boats laying mines
By Jason MaMay 25, 2026
Russia’s economy is much worse than it seems, and ‘elites are increasingly alarmed’ as alternate GDP gauge shows huge contraction
Economy
Russia’s economy is much worse than it seems, and ‘elites are increasingly alarmed’ as alternate GDP gauge shows huge contraction
By Jason MaMay 24, 2026
The more generous U.S. ceasefire terms are, the more suspicious Iran becomes they’re a ruse for another attack, expert says
Politics
The more generous U.S. ceasefire terms are, the more suspicious Iran becomes they’re a ruse for another attack, expert says
By Jason MaMay 24, 2026
As U.S.-Iran deal nears, Trump ally warns against creating perception Tehran controls Hormuz — ‘it makes one wonder why the war started to begin with’
Politics
As U.S.-Iran deal nears, Trump ally warns against creating perception Tehran controls Hormuz — ‘it makes one wonder why the war started to begin with’
By Jason MaMay 23, 2026
U.S. debt is the ‘elephant in the room’ amid bond market rout as Fed-fueled interest costs could drive even larger deficits, analysts warn
Economy
U.S. debt is the ‘elephant in the room’ amid bond market rout as Fed-fueled interest costs could drive even larger deficits, analysts warn
By Jason MaMay 23, 2026
The Fed’s worst inflation fears may be coming true as consumers lose faith in long-term prices—and even Trump supporters doubt he can bring relief
Economy
The Fed’s worst inflation fears may be coming true as consumers lose faith in long-term prices—and even Trump supporters doubt he can bring relief
By Jason MaMay 23, 2026
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