S&P 500 pulls back amid rising Treasury yields and inflation concerns

The S&P 500 closed the week at 7,674.37, shedding roughly 1.43% and ending a three-week streak of gains. Treasury yields are climbing fast, oil is getting more expensive, and the inflation picture that many investors hoped was fading is looking stubbornly persistent.

The Nasdaq Composite fared worse, dropping 2.05% over the same period. Tech stocks, which tend to be more sensitive to rising rates because their valuations lean heavily on future earnings, took the brunt of the sell-off.

Yields are flashing warning signs

The 30-year Treasury yield surged to 5.327%, a level not seen since 2007. The 10-year note, the benchmark that influences everything from mortgage rates to corporate borrowing costs, hovered near 4.7%.

US Treasury Secretary Scott Bessent attempted to calm the bond market by doubling weekly Treasury bond buybacks to $4B. The intervention offered a brief reprieve, but yields quickly reverted to their elevated levels.

Oil is pouring fuel on the inflation fire

Brent crude jumped 6.39% on the week while WTI rose 5.66%, both driven by geopolitical uncertainties centered on Iran and the potential for supply disruptions in the Middle East.

Overbought signals in a down market

One of the more curious dynamics of the week: technical analyses showed that several individual stocks within the S&P 500 remained overbought, with relative strength index readings above 70, even as the broader index declined.

What this means for markets

The bond market itself is sending a signal that deserves attention. When Treasury buybacks fail to durably push yields lower, it suggests that either supply concerns, inflation expectations, or both are overpowering policy intervention. Bessent’s decision to double buybacks to $4B weekly was a meaningful step, and the fact that it didn’t stick should give investors pause.

A 10-year yield pushing decisively above 5% would represent a psychological and practical threshold that could trigger a broader reassessment of equity valuations across sectors.

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