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US stocks slide as oil prices spike, Treasury yields breach 5%

Wall Street extended losses across all three major indexes as risk-averse sentiment gripped markets, with energy stocks providing the sole bright spot. A breach of the 5% threshold on Treasury yields underscored growing concerns about interest rates.

LSN Malaysia · 15 September 2026

US stocks slide as oil prices spike, Treasury yields breach 5%

US equity markets declined broadly on Tuesday, with investors retreating from risk assets as crude oil prices surged and longer-dated government bond yields climbed to fresh levels. The S&P 500, Dow Jones Industrial Average and Nasdaq Composite all fell, continuing momentum from the previous session as risk-off positioning dominated trading across sectors.

The sell-off spanned nearly all major industry groups, from technology and financials to consumer discretionary, as higher borrowing costs and macroeconomic concerns weighed on investor sentiment. The energy sector emerged as the sole outperformer, buoyed by the spike in oil prices that extended recent gains in the commodity complex.

US Treasury yields extended higher, with the benchmark 10-year note climbing past the 5% mark—a level that carries significance for corporate borrowing costs, mortgage rates and broader economic activity. The move reflected ongoing expectations that the Federal Reserve may maintain elevated interest rates for an extended period amid persistent inflation concerns.

The combination of higher yields and oil prices traditionally creates headwinds for equities, as it signals either stagflation concerns or expectations of slower economic growth coupled with persistent price pressures. Market participants appeared to be reassessing valuations across sectors most sensitive to borrowing costs.