US equity markets posted broad gains on Monday, driven by a sharp rebound in risk sentiment following reports that the United States and Iran have agreed to halt recent military attacks and return to diplomatic negotiations.
The Dow Jones Industrial Average climbed to a record closing high, marking a decisive shift in market psychology after a weekend of heightened geopolitical uncertainty.
The rally was broad-based, with major technology-related shares leading the advance.
Investors appear to be rapidly repricing the geopolitical risk premium that had weighed on equities during the weekend hostilities.
The move suggests that markets are interpreting the ceasefire agreement as a durable de-escalation rather than a temporary pause, allowing capital to flow back into growth-sensitive sectors.
The agreement to stop attacking each other marks a significant turning point in the region's stability.