Aug 18 ( ) - U.S. government bond yields eased slightly on Tuesday, though longer-dated yields remained near multi-year highs after the 30-year Treasury yield earlier touched a level not seen since 2007. The move came as fears of an escalating Middle East conflict stoked inflation worries and weighed on stocks. Oil prices were slightly higher, gaining for a third straight session, as prospects for a U.S.-Iranian peace deal dimmed after Tehran said it would adopt a more offensive stance and Washington ruled out extending a ceasefire deal.
U.S. crude rose 0.82% to $85.17 a barrel and Brent rose to $91.37 per barrel, up 0.55% on the day. Yields have risen despite a recent run of soft U.S. economic data easing concerns about an imminent Federal Reserve rate hike. Traders now see just a 35% chance of a hike at the Fed's September meeting but 68% odds of an increase by December.
A resurgence in inflation could renew expectations for a faster pace of rate hikes. "We're living in this world where we're going to have supply shock after supply shock," said Will Compernolle, macro strategist at FHN Financial. The costs of the ongoing Iran conflict are also adding to fears over the U.S. fiscal trajectory.
The yield on the U.S. 30-year Treasury bond was last down 2.32 basis points at 5.2868%, after reaching 5.3371%, the highest since 2007. Benchmark 10-year note yields fell 1.6 basis points to 4.708% and got to 4.7478%, the highest since January 2025. [US/] The rise in U.S. yields coincided with Japanese government bond yields climbing to 30-year highs, raising concerns among analysts that as Japanese yields become more attractive, domestic investors — particularly pension funds and insurance companies — could begin shifting capital out of U.S. debt and into Japanese bonds. Such a shift would add further upward pressure on Treasury yields.
Japan's 10-year bond yield was hovering just below the 3% threshold for the first time since the mid-1990s, while euro zone bond yields also sat near multi-year highs. Wall Street's main indexes hit their lowest in two weeks, pressured by losses in heavyweight technology stocks. "The yields are troubling people because it portends a tighter environment and it's going to be more expensive to borrow money," said Kim Forrest, chief investment officer at Bokeh Capital Partners.
"Especially in this whole AI thing where time to pay it back is uncertain. It makes for a nervous investor environment." Elevated yields tend to weigh on equities by making stocks relatively less attractive to investors, and by raising borrowing costs for capital-intensive companies pouring money into AI infrastructure. The Nasdaq Composite fell 1.05%, the Dow Jones Industrial Average dipped 0.12% and the S&P 500 was down 0.50%.
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