It stood at 4.979% in early Friday trading as WTI crude reached $103 a barrel and US gasoline averaged $4.30 a gallon.
The move revives late-March inflation fears as the Strait of Hormuz remains shut and a US naval blockade stays in place despite a US-Iran ceasefire.
Bank of America strategist Michael Hartnett called 5% a “Maginot Line”, warning a decisive break could unsettle markets after April's sharp stock rally.
If the Strait of Hormuz blockade continues, how close is Iran to shutting down oil production—and what would that mean for global markets?
Could a decisive breach of the 5% Treasury yield 'Maginot Line' trigger a financial crisis similar to past market bubbles?
With AI and energy costs both surging, can U.S. productivity gains really outpace rising inflation and prevent a recession?