Degrading Iran's nuclear and military capabilities is good for geopolitical stability, which would be good for markets, Eisman said.

Aerial attacks between Israel and Iran continued overnight into Tuesday, marking a fifth day of strikes following Israel's Friday attack. That surprise operation hit at the heart of Iran's nuclear program, striking key facilities and killing several nuclear scientists as well as high-ranking military leaders, according to Israeli officials.

President Trump left the G7 in Canada early to work on the Middle East, saying he was working on something “[much bigger](

There is no sign the conflict is ending soon and many in the region fear a wider war as they watch waves of attacks.

A senior Western defence source said Israeli warplanes have been refuelling over Syria - a bastion of Iranian influence until Bashar al-Assad was toppled in December. Israel is now operating over Syria with "near-total freedom", the source said.

Israel stunned Iran last week with an intelligence and military operation years in the making that struck high-level targets with precision.

We are doing what we need to do,” the Israeli leader told ABC News when asked if he plans on going after Ayatollah Ali Khamenei.

Russia is watching Israel’s bombardment of Iran with mounting concern for the survival of a key ally, though the Kremlin recognizes it has few levers to influence the escalating conflict in the Middle East.