The 10-year Treasury yield has climbed over 80 basis points since March to 4.79%, and investors are watching whether it breaks 5% as the S&P 500's earnings-season buffer fades. Strategists say a sharp move past that level could pressure stock valuations that remain above their long-term average.
U.S. stock investors are watching Treasury yields climb, worried that a jump toward 5% on the 10-year yield could unsettle Wall Street's rally. Higher bond yields raise borrowing costs, pressure equity valuations, and compete with stocks for investor capital.
So far, the rise has not seriously hurt stocks. The 10-year Treasury yield has risen more than 80 basis points since the start of March to 4.79% as of late Tuesday. Yet the S&P 500 is up more than 11% in 2026. Stocks fell Tuesday as yields rose again, but the S&P 500 stood only about 2% below its August 13 record high.
Strong corporate profit growth has offset the risk from rising yields so far this year, investors said. But with the second-quarter reporting season ending, that buffer is disappearing. According to Reuters: "So I do think this will come more to the forefront", said Keith Lerner, chief investment officer at Truist Advisory Services.
Traders watch for a 5% 10-year yield
The 10-year yield hit its highest level since January 2025 this week, and the global bond sell-off deepened Tuesday after oil prices jumped on renewed U.S.-Iran attacks. Markets also weighed higher odds of near-term U.S. rate hikes following a speech from new Federal Reserve Chair Kevin Warsh.
Yields last reached 5% in October 2023, a period that coincided with broad stock weakness. Anthony Saglimbene, chief market strategist at Ameriprise, called the level a psychological trigger that could give traders and investors an excuse to de-risk. Mitch Schlesinger, chief investment strategist at Evermay Wealth Management, said a yield above 5% has historically drawn heavy interest in bonds, and companies dependent on financing would start to feel the pinch.
Valuations face pressure from higher yields
Higher yields cut the present value of future profits in standard equity valuation models, making stocks more vulnerable to sharp yield moves. Noah Weisberger, head of equities at BCA Research, said the current market carries added sensitivity given how much of its gains trace to optimism about AI-driven investment.
The S&P 500's forward price-to-earnings ratio stood at 19.7 on Monday, according to LSEG Datastream. That compares with 22.2 at the start of 2026. Even so, the index's valuation remains above its long-term average of 16, and investors said further increases in yields could cap further gains in that multiple.
So far, investors said, the rise in yields has been orderly, giving companies and investors time to adjust. But Matt Stucky, chief portfolio manager, equities, at Northwestern Mutual Wealth Management, said a sharp backup in rates could severely punish the market's forward multiple and raise questions about the sustainability of earnings growth in a tighter monetary environment.
Source: Investing.com
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