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.
EnergyThe Strait of Hormuz is more open than previously thought as the U.S. shoots down Iranian drones threatening ships and provides ‘naval overwatch’
By Jason MaJune 6, 2026
EconomyHere’s where U.S. debt may become unsustainable with interest payments triggering a default crisis that even steep tax hikes can’t fix
By Jason MaJune 6, 2026
AIFormer AI czar calls Sanders’ proposal for government equity a ‘stupidity tax’ and warns against nationalization as Trump mulls public stakes
By Jason MaJune 6, 2026
InvestingTech stocks lead market bloodbath as fears of Fed rate hikes add to worries about the AI-fueled chip boom petering out
By Jason MaJune 5, 2026
EnergyPutin 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
EnergyThe 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
EnergyWall Street may have solved a nagging mystery in global oil markets as doomsday scenarios have yet to arrive
By Jason MaMay 31, 2026
AIData 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
EconomyFinancial markets are losing the security blanket that’s bailed them out of trouble so many times, top economist warns
By Jason MaMay 31, 2026
EnergyOil 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
InnovationAfter 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
EnergyDamn 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
PoliticsRussia 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
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