Oil jump and yields surge hit global markets

Oil prices moved sharply higher as traders reacted to renewed hostilities involving the United States and Iran. Brent crude (UKOIL) futures rose to $94.52 a barrel, while U.S. West Texas Intermediate (USOIL) futures reached their highest levels since July. The advance reflected a higher risk premium being priced into crude benchmarks as markets reassessed the security of supplies flowing from the region.

The move in oil followed overnight U.S. strikes as Tehran vowed retaliation, developments that heightened fears of a broader regional conflict. The prospect of potential supply disruptions supported benchmark prices, adding to an already firm backdrop in energy markets.

Government bonds came under pressure across major economies, pushing yields to new highs. U.S. Treasury yields rose to a 20‑month peak, extending a recent climb as investors demanded higher compensation for inflation and geopolitical risk. In parallel, borrowing costs in Japan and the U.K. moved toward multi‑decade highs, signaling a broad-based reassessment of global rate expectations.

The selloff in bonds reflected concerns that higher energy costs could keep inflation elevated for longer. Rising yields increased financing costs for governments and corporations, adding another headwind for risk assets already facing uncertainty over the growth and policy outlook.

Equity markets extended losses as investors rotated away from riskier assets. Wall Street closed lower for a third consecutive session, with the S&P 500 (SPX) slipping 0.71% and the Nasdaq Composite falling by more than 1%. The declines came as higher oil prices and surging bond yields weighed on valuations and growth-sensitive sectors.

The combination of more expensive energy, tighter financial conditions, and geopolitical tension encouraged a defensive stance across portfolios. Market moves pointed to growing caution over the balance between inflation risks and the potential impact of higher rates on economic activity and corporate earnings.

The market reaction intersected with evolving expectations for central-bank policy. Fed Governor Michael Barr said he would support raising interest rates if inflation does not appear to be moderating sufficiently. His remarks underscored that policymakers remain alert to upside inflation risks, including those that may arise from higher oil prices.

With bond yields already elevated and energy costs rising, investors reassessed the likelihood of near-term rate cuts. The possibility that inflation pressures could persist, rather than ease, added to the cautious tone in global markets and reinforced the focus on upcoming data and policy signals.