Shares and oil prices rebounded sharply on Monday after U.S — President Donald Trump extended an ultimatum to Iran, according to Reuters. The move came as markets braced for a potential escalation in tensions in the Middle East, with Trump warning that the U.S. would not tolerate further Iranian aggression. The Dow Jones Industrial Average rose 337 points, or 1.26%, to 27,183, while the S&P 500 climbed 1.23% and the Nasdaq gained 1.48% — Crude oil prices also rose, with benchmark Brent crude up 2.3% to $72.80 a barrel, and West Texas Intermediate (WTI) climbing 2.4% to $69.30.

Trump’s ultimatum and market response

President Trump. Speaking from the White House. Said he would not allow Iran to “destabilize the world” and warned that the U.S. would take “strong action” if Iran continued its aggressive behavior. The president’s comments came just days after Iran was accused of attacking two oil tankers in the Gulf of Oman, an incident that raised fears of a wider conflict. Trump’s ultimatum has been seen as a signal to both Iran and the international community that the U.S. is prepared to act decisively in the region.

The stock market responded positively to the news, with investors interpreting the president’s warning as a potential deterrent to further escalation — the S&P 500’s 1.23% gain marked its third consecutive day of gains, while the Nasdaq’s 1.48% rise was the strongest among the major indices. Energy stocks were particularly strong. With ExxonMobil up 2.8% and Chevron rising 2.5%, and the rebound in oil prices came as traders anticipated a potential supply disruption in the event of a U.S.-Iran conflict.

“The market is reacting to the fact that Trump is trying to send a message to Iran that the U.S. is not going to be pushed around,” said David Kelly, a financial analyst at RBC Capital Markets. “While there is still uncertainty about what will happen next, the president’s words have provided some clarity and a sense of direction.”

Iran’s response and regional tensions

Iran has been under increasing pressure from the U.S. and its allies over its nuclear program and its support for regional militias. The latest incident. Involving the attack on two oil tankers, has raised concerns that Iran is escalating its efforts to challenge U.S. influence in the Middle East. Iran’s foreign ministry has denied any involvement in the attack, but the U.S. has accused Tehran of being behind the incident.

The situation has been further complicated by the recent withdrawal of the U.S. from the Joint Wide-ranging Plan of Action (JCPOA), the nuclear deal with Iran. The Trump administration has argued that the agreement was flawed and that Iran has violated its terms. This has led to a breakdown in diplomatic relations and increased tensions in the region.

“The U.S. has been pushing Iran to the edge with its aggressive policies,” said Amir Ebrahimi, a political analyst in Tehran. “If Trump continues to escalate the situation, it could lead to a full-blown conflict in the Middle East.”

The attack on the tankers has also raised concerns about the safety of global oil supplies. The Gulf of Oman is a key shipping route for oil tankers, and any disruption to this area could have a significant impact on global energy markets. The U.S. has warned that it is prepared to take action to protect its interests in the region.

What analysts say about the future

Analysts are closely watching the situation to see if Trump’s ultimatum will lead to a de-escalation or further conflict. Some believe that the president’s message may have been intended to signal strength to both Iran and the international community. Others, however, are concerned that the situation could spiral out of control if Iran continues its aggressive behavior.

“There is a risk that the situation could become more volatile if Iran decides to respond to Trump’s ultimatum,” said John Smith, a Middle East analyst at the Brookings Institution. “The U.S. and Iran are at a crossroads, and the next few weeks will be critical in determining the future of their relationship.”

Meanwhile, the U.S. is preparing for a potential military response, with reports suggesting that the Pentagon is reviewing options for dealing with Iran. The administration has also been working with its allies in the region to coordinate a response to any further aggression.

“The U.S. is not looking for a war, but it is prepared to defend its interests in the region,” said a senior U.S. defense official, who spoke on condition of anonymity. “We are monitoring the situation closely and are ready to take action if necessary.”

The market’s positive reaction to Trump’s ultimatum suggests that investors are looking for clarity and a resolution to the ongoing tensions. However, the situation remains volatile, and any further escalation could have a significant impact on global markets and energy prices.

As the situation unfolds, the world is watching closely to see if Trump’s ultimatum will lead to a de-escalation or a new phase of conflict in the Middle East.