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.
EconomyThe top foreign holders of U.S. debt may soon dump Treasury bonds and bring their money back home, potentially spiking borrowing costs
By Jason MaMay 17, 2026
PoliticsFormer top Russian official admits the country is over Putin and can ‘imagine a future without him’ — even elites bail as Kremlin seizes their assets
By Jason MaMay 16, 2026
EnergyOil markets could be a month away from the moment of truth. Brace for a ‘non-linear’ price spike and panic buying, analysts warn
By Jason MaMay 16, 2026
InnovationSpaceX heads into a record-shattering IPO with the ‘deepest moat that exists today’ as investors vow to ‘never bet against Elon’
By Jason MaMay 16, 2026
EconomyDemand for longer-term U.S. debt gets weaker as one shock after another stokes fear that high inflation is here to stay
By Jason MaMay 15, 2026
EconomyForget U.S. debt, China’s total borrowing is in ‘a league of its own’—much worse and deteriorating faster, analyst says
By Jason MaMay 11, 2026
EnergyMarkets sell off as U.S.-Iran ceasefire plans go nowhere, leaving Trump with military options to reopen the Strait of Hormuz
By Jason MaMay 10, 2026
InvestingMarket guru Yardeni sees S&P 500 hitting 8,250 this year, highest among top Wall Street forecasters, as earnings bolster ‘Roaring 2020s’
By Jason MaMay 10, 2026
EnergyThe global economy is experiencing the largest capex cycle ever, with nearly $5 trillion seen by the end of the decade—and it’s not all AI spending
By Jason MaMay 10, 2026
InvestingThe federal government must issue more debt than it expected as cash flow weakens, and ‘the bond market is shouting’
By Jason MaMay 9, 2026
EconomyRussian debt defaults are surging, with a quarter of the bond market at risk, while Putin hides in bunkers fixated on his war instead of the economy
By Jason MaMay 9, 2026
PoliticsTed Cruz says the quiet part out loud: Trump accounts are Social Security personal accounts as GOP senator reveals ‘dirty little secret’
By Jason MaMay 9, 2026
EconomyIran may have a higher tolerance for economic pain—but the pain is excruciating as regime reveals 100% inflation in just days on some items
By Jason MaMay 8, 2026
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