Wall Street declined on Tuesday as a sharp selloff in technology stocks pushed the S&P 500 to a two-week low and the Nasdaq Composite down more than 1%. Rising bond yields fueled concerns about higher borrowing costs and pressured companies whose valuations depend heavily on future growth expectations.

Technology Sector Faces Pressure as Bond Yields Rise

The S&P 500 fell 0.56%, while the Nasdaq Composite declined 1.22% as investors reduced exposure to major technology and semiconductor companies. The Dow Jones Industrial Average slipped 0.15%, reflecting a broader cautious tone across US equity markets.

The Philadelphia Semiconductor Index dropped more than 5%, marking one of the strongest sector declines of the session. Semiconductor companies, which had benefited from optimism surrounding artificial intelligence demand, faced renewed pressure as investors reconsidered the valuations attached to future AI-driven growth.

Higher bond yields can weigh particularly heavily on technology stocks because they increase the discount rate applied to future earnings. As the cost of capital rises, investors often reassess the value of companies whose expected profits are concentrated further in the future.

Bond Market Moves Shift Investor Risk Appetite

Long-term bond yields reached multi-year highs, increasing concerns that financial conditions could remain tighter than previously expected. The rise in yields came despite recent economic data showing signs of moderation, including unexpected job losses and relatively mild inflation readings.

Tony Welch, chief investment officer at SignatureFD, said the increase in yields suggested that the Federal Reserve may be operating with a policy stance that is too accommodative relative to the current growth and inflation outlook. This view contributed to pressure on equity valuations, particularly in sectors that have led recent market gains.

AI Optimism Meets Valuation Concerns

The technology selloff highlighted the market’s sensitivity to changes in expectations surrounding artificial intelligence investment. Companies connected to AI infrastructure have attracted significant investor interest due to expectations of sustained demand for computing power, chips and data center capacity.

However, the latest decline shows that strong long-term growth expectations remain vulnerable to shifts in interest rates and financing conditions. Investors are increasingly evaluating whether projected AI-related growth can justify elevated valuations in an environment of higher borrowing costs.

Markets Await Further Economic and Federal Reserve Signals

Despite the pressure on technology shares, some defensive sectors showed relative strength, with healthcare and energy among the better-performing areas of the market. The divergence reflected ongoing uncertainty over whether economic conditions will support continued growth or require a more cautious policy response.

Going forward, investors will monitor upcoming economic indicators, Federal Reserve commentary and bond market movements for signals about the direction of interest rates. The balance between AI growth expectations, inflation risks and rising yields will remain a key factor determining whether technology stocks can regain momentum or face further valuation adjustments.