Iran Vows Retaliation After Israeli Strike on Beirut

Washington had sought to forestall exactly this sequence. The U.S. offered economic benefits to Iran in exchange for restraint, a signal that the administration viewed Tehran's participation as essential to any durable settlement. Iran rejected the offer outright, the council said.

The collision of signals – an Israeli military action, a U.S. presidential rebuke, and an Iranian threat – leaves the region more unstable while diplomats await a scheduled meeting in Geneva. Whether Netanyahu's calculus was to preempt an Iranian move, to complicate U.S. diplomacy, or simply to act on independent intelligence, the effect has been to harden Tehran's posture at the moment Washington needed it softest. The window Trump described as nearly closed may now be considerably narrower.

For traders, the immediate focus is on the Israeli shekel, Brent crude oil, and gold. Geopolitical risk of this nature has historically pushed capital into the dollar and gold, while weighing on the shekel and emerging-market currencies. Trump's public criticism of Israel introduces a new variable that could reduce the typical dollar bid, though the shekel remains the most direct barometer of market confidence in the region's stability.