Donald Trump warned Iran not to "blow it" on a potential peace deal as geopolitical tensions escalate following Israeli strikes on Lebanon. An initial agreement expected to be signed this week faces jeopardy amid the broader Middle East conflict.

The deal, if finalized, would end the war and reopen the Strait of Hormuz, one of the world's most critical energy chokepoints. Roughly 21 percent of global petroleum passes through this waterway. Closure or disruption would send oil prices sharply higher and disrupt energy markets worldwide.

Trump's warning signals that negotiations remain fragile. Israeli military action in Lebanon complicates diplomatic efforts, as regional tensions threaten to derail talks before both sides affix signatures. The timing matters enormously for energy markets and geopolitical stability.

Oil prices have already reacted to escalating conflict. Brent crude and WTI crude have both moved higher as traders price in supply risk from potential Strait of Hormuz disruptions. Any formal closure would immediately tighten global energy supply and boost prices across downstream markets, including transportation and utilities.

Beyond energy, a successful U.S.-Iran deal would reshape Middle East dynamics. Reopening the Strait of Hormuz signals de-escalation and reduces the risk premium embedded in crude futures. For investors, this directly impacts energy sector stocks, transportation costs, and inflation expectations.

The S&P 500 Energy sector and broader equity indices track geopolitical risk. Higher oil prices reduce consumer spending power and compress corporate profit margins outside the energy complex. Bond markets price in inflation expectations tied to crude movements.

Markets now wait for clarity on whether the deal survives this week's deadline. Israeli actions and Iran's response will determine whether negotiations proceed or collapse. A signed agreement would relieve oil price pressure. A breakdown would extend volatility and likely push crude higher on supply concerns.

Investors monitoring energy exposure should track crude futures closely alongside news flow from Middle East negotiations. Any announcement of a signed agreement would likely trigger a sell-off in oil; failure to reach a deal would support prices.