Iran launched a direct military strike against Israel early Tuesday, marking the first time Tehran has attacked Israeli territory since April, when a previous ceasefire agreement brokered by the U.S. took effect. Israel responded with retaliatory strikes, escalating tensions in the Middle East and threatening the stability of energy markets worldwide.

The exchange comes after months of relative calm following the April ceasefire. Iran's attack included dozens of missiles and drones targeting Israeli military installations. Israeli officials confirmed the strikes landed but caused minimal damage, then authorized counterattacks on Iranian military sites.

Oil markets responded immediately to the escalation. Crude prices climbed on concerns that regional conflict could disrupt Middle Eastern energy supplies. West Texas Intermediate crude and Brent crude both spiked in early trading Tuesday as investors priced in geopolitical risk premiums. Energy sector stocks benefited from higher oil prices, while defensive sectors gained on broader market uncertainty.

The ceasefire breakdown threatens more than just immediate military risk. A prolonged escalation could disrupt shipping through the Strait of Hormuz, a critical chokepoint handling roughly 20 percent of global crude oil exports. Any sustained disruption would send shockwaves through energy costs worldwide and filter into inflation data, affecting Federal Reserve policy decisions.

U.S. officials worked to contain the situation, with diplomatic channels between Washington and Tehran active. The fragility of the ceasefire reflects deeper tensions between Iran and Israel that remain unresolved despite the April agreement. Military analysts expect both sides to maintain posturing over coming days before potential diplomatic intervention.

Investors face heightened volatility in energy and defense sectors. The conflict's scope remains unclear. A wider war would ripple through global supply chains and corporate earnings. Moderate containment keeps markets manageable. The coming 48 hours will determine whether this becomes a one-off escalation or sustained conflict.

Market participants monitoring oil prices should watch for further Iranian or Israeli military action and any statements from U.S. diplomatic officials attempting de-escalation.