NEW YORK (VINnews) – U.S. stocks rallied sharply Monday, June 15, 2026, as investors cheered a breakthrough U.S.-Iran ceasefire agreement that is expected to reopen the Strait of Hormuz and ease global oil supply concerns.

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The Dow Jones Industrial Average rose 469.57 points, or 0.92%, to close at 51,671.83. The S&P 500 gained 122.83 points, or 1.65%, to finish at 7,554.29. The Nasdaq Composite led the way, surging 795.10 points, or 3.07%, to 26,683.94, fueled by gains in technology and artificial intelligence-related shares.

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Lower oil prices and a reduced geopolitical risk premium helped spark broad risk-on sentiment across Wall Street. The ceasefire deal, which paves the way for resumed tanker traffic through the critical waterway, eased fears of prolonged disruptions to energy markets.

Semiconductor and growth stocks were among the biggest winners as investors rotated back into high-beta names.

SpaceX shares continued their strong post-IPO performance, climbing 19.6% in their second day of trading. The gain pushed the rocket company’s market capitalization above $2.5 trillion for the first time and added approximately $420 billion in value.

The rally capped a volatile period for markets amid heightened Middle East tensions. Further details on the implementation of the ceasefire and its long-term impact on energy prices are expected in coming days.