Global markets have remained relatively calm amid the escalating tensions between Israel and Iran. But that sentiment could quickly shift, according to experts, if the conflict affects the Strait of Hormuz.

Critical energy infrastructure in Israel and Iran has not escaped unscathed from the first few days of the countries' escalated conflict. Worst-case scenarios have yet to be realized, but the war is already having a notable impact on energy production and exports in both countries.

President Donald Trump abruptly announced that he would leave the G7 summit a day early and return to Washington shortly after posting an ominous social media message that appeared to suggest more carnage in Iran.