Global stock markets experienced a downturn as escalating tensions in the Middle East, particularly the ongoing conflict involving Iran, prompted a surge in oil prices. Notably, Dow futures fell significantly amid concerns about increased shipping attacks and supply disruptions. The Dow closed at its lowest point this year, while the S&P 500 and Nasdaq followed suit, reflecting a general decline in investor confidence. Despite some mixed performance, with the Nasdaq eking out a slight gain, most major indexes ended lower. The rise in crude oil prices, which topped $100 a barrel, has been fueled by fears of further geopolitical instability and uncertainty over inflation data, prompting traders to reassess their positions in light of these developments.