Updated

US equity markets experienced renewed volatility as oil prices fluctuated on October 8, 2026, driven by fresh concerns about Middle East supply disruptions amid escalating Iran-US tensions. Oil prices initially rose over worries about potential Iranian actions affecting regional energy supplies before falling on speculation about possible strategic petroleum reserve releases. The market swings reflect investor anxiety about broader geopolitical risks to global energy markets and uncertainty over how tensions with Iran may affect fuel costs and economic growth.