Wall Street stocks closed lower on Wednesday as stronger-than-expected US inflation data revived expectations of a Federal Reserve interest rate hike, sending Treasury yields higher and pressuring technology shares.
The S&P 500 declined 1.1% to 7,723.59, while the Nasdaq Composite dropped 1.9% to 26,692.87. The Dow Jones Industrial Average slipped 0.1% to 51,622.32, supported by healthcare stocks including Amgen, Merck, and UnitedHealth, which gained between 3.2% and 4.7%.
According to the Bureau of Labor Statistics, September's consumer price index (CPI) increased 0.6% month-over-month, while core inflation rose 0.3%, exceeding expectations of 0.2%. Annual headline inflation accelerated to 3.7%, with core inflation reaching 2.6%.
Gasoline prices surged 9.1% during September, accounting for more than half of the monthly headline CPI increase. Energy prices climbed 20.4% annually.
The hotter inflation report pushed the probability of a 25-basis-point Federal Reserve rate hike in October to approximately 47%, up from 22%, according to CME FedWatch.
US Treasury yields initially surged following the data. The two-year yield reached 4.948%, while the benchmark 10-year yield climbed to 5.335%. However, both retreated later, with the 10-year yield falling to 5.188%.
Corporate earnings also influenced market sentiment. Bank of America shares fell nearly 5% after reporting lower quarterly profits linked to $1.2 billion in provisions for regulatory penalties. Morgan Stanley declined 2.7% despite stronger earnings, while BlackRock gained 0.8% following improved profitability.
Technology stocks faced additional pressure as investors questioned the sustainability of artificial intelligence infrastructure spending. CoreWeave plunged 15.5%, while Nebius dropped more than 10% after Gartner warned that 80% of specialized AI cloud providers could lose their independence by 2030.
Meanwhile, ASML shares declined nearly 4% despite raising its annual outlook amid robust AI chip demand.
Oil prices advanced as escalating Middle East tensions heightened supply disruption concerns. Brent crude rose 0.3% to $106.03 per barrel, while West Texas Intermediate gained 1.1% to $95.13.
Continued attacks involving Yemen's Houthis and Saudi-led forces reinforced concerns about global energy supplies, adding further uncertainty to inflation expectations and the outlook for US financial markets.


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