Benchmark equity indices Sensex and Nifty surged over 1% on Monday (May 25, 2026), driven by a sharp correction in crude oil prices and a rally in global markets amid improving sentiment surrounding the U.S.-Iran negotiations.

The 30-share BSE Sensex jumped 1,073.61 points, or 1.42%, to settle at 76,488.96. During the day, it soared 1,143.72 points, or 1.51%, to 76,559.07.

The 50-share NSE Nifty surged 312.40 points, or 1.32%t, to end at 24,031.70.

From the 30-Sensex firms, Bajaj Finance, Larsen and Toubro, HDFC Bank, Eternal, Bajaj Finserv, and Kotak Mahindra Bank were among the biggest winners.

In contrast, Infosys, Tata Consultancy Services, Sun Pharma and Hindustan Unilever were the laggards.

Brent crude, the global oil benchmark, tanked 5.52% to $97.82 per barrel.

The U.S. has made significant progress in negotiations with Iran to reopen the Strait of Hormuz, but President Donald Trump is maintaining a cautious approach and will not accept a bad deal, Secretary of State Marco Rubio said on Monday.

"Markets witnessed strong positive momentum, driven by a correction in crude oil prices amid rising expectations of a potential US-Iran deal. Global sentiment improved on reports of progress towards reopening the Strait of Hormuz, although credibility remains uncertain given frequent shifts in developments," Vinod Nair, Head of Research, Geojit Investments Limited, said.

In Asian markets, Japan's Nikkei 225 index and Shanghai's SSE Composite index ended higher. Markets were closed in South Korea and Hong Kong due to holidays.

European markets were trading higher. U.S. markets ended in positive territory on Friday (May 22, 2026).

Foreign Institutional Investors (FIIs) offloaded equities worth ₹4,440.47 crore on Friday (May 22, 2026), according to exchange data.