U.S. Treasury yields hover near 10-year highs as markets lean toward more Fed tightening

The U.S. Treasury market is delivering a blunt message to Federal Reserve Chair Walsh: tough talk on inflation is not enough to steady investor nerves. A flare-up in U.S.-Iran hostilities in July surprised markets, briefly pushing global oil prices above $100 a barrel and sparking heavy selling across the roughly $30 trillion Treasury market. Since the end of June, the 10-year Treasury yield has climbed more than 30 basis points to about 4.678%, close to its highest level in a decade. The policy-sensitive 2-year yield has risen to around 4.328%, above the Federal Reserve’s current upper limit of 3.75%, signaling expectations that rates could move higher. The Fed is due to announce its policy decision on Wednesday. According to the CME FedWatch Tool, as of last Friday markets were assigning a 62% probability to leaving rates unchanged at this meeting, while the odds of a hike jumped to about 38% from roughly 13% a week earlier. "This highlights how concerned the market is about inflation and how uncertain it is whether the Fed will follow through on its words," said Gennadiy Goldberg, Head of U.S. Interest Rate Strategy at TD Securities, pointing to Walsh’s repeated pledge to return inflation to the 2% target. Oil prices have amplified the move in yields by reigniting inflation fears and accelerating Treasury selling. GasBuddy data show U.S. retail prices have recently moved back above $4 a gallon for regular gasoline and $5.20 for diesel. Treasuries had briefly rallied after Walsh’s first press conference as Fed chair in June, but the bounce faded quickly. The 30-year yield has stayed above 5%, inflicting losses on investors positioned for long-duration bonds. David Rosenberg, founder and president of Rosenberg Research & Associates, wrote in a report last Friday that "we did not anticipate this latest chapter in the U.S.-Iran conflict, which adds complexity to any duration-sensitive asset." He also cited the continued expansion of technology-sector corporate bond issuance as another source of pressure on Treasuries. Rosenberg said he has repositioned by moving from an underperforming long stance in 30-year Treasuries into shorter-duration U.S. government bonds. Paul Christopher, Head of Global Investment Strategy at Wells Fargo Investment Institute, said the bond market message is one the Fed should heed: "The Fed needs to hear this signal. Uncertainty is piling up," and investors are demanding compensation for that uncertainty. Debate over the tightening window has intensified inside the Fed. Some policy makers favor additional rate increases to restrain inflation, but timing is highly sensitive: inflation erodes the real value of fixed-income holdings, while rate hikes push bond prices down and can pressure risk assets such as equities. Supply dynamics add to the strain. Barclays analysts estimate the U.S. fiscal deficit will be about $2 trillion in 2026, implying sustained large-scale Treasury issuance as a primary financing tool and little near-term relief from supply pressure. At the same time, heavy borrowing in the technology sector is lifting funding costs across the market. Large technology companies, especially "hyperscale cloud providers," are racing to issue corporate debt to finance artificial-intelligence infrastructure. Moody’s said in a report last Wednesday that capital expenditures by these firms could approach $1 trillion in 2027 after nearly $800 billion this year, warning that "surging capital spending, rising leverage, and off-balance-sheet commitments" could threaten the group’s credit quality. Equities have also come under renewed pressure, with technology shares leading declines as higher-rate expectations weigh on valuations. Semiconductor stocks fell sharply last week, with the Philadelphia Semiconductor Index down more than 4% for the week. Over the same period, the Dow Jones Industrial Average slipped 0.4%, the S&P 500 declined 0.6%, and the Nasdaq Composite dropped 2.1%. The Nasdaq is now 7.8% below its early-June record. Higher interest rates typically dampen business and consumer spending, slowing growth and weakening profit expectations. Christopher said investors may prefer to wait until the current rotation out of technology shares runs its course, arguing it "could present a better entry opportunity," and added that keeping some cash on hand "may not be a bad idea."