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Sensex, Nifty down: What caused the stock market crash today?

JD Vance announced on Sunday that he and his team were returning to Washington without a deal as Iran refused to accept US's “final and best offer”.

Published on: Apr 13, 2026 12:53 PM IST
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Indian stock markets tumbled on Monday, as Iran and the United States failed to reach an agreement during the talks in Pakistan's Islamabad over the weekend.

Markets remained down for the better part of the day on Monday, with the Nifty 50 trading 0.94 per cent or 227.25 points lower at 23,809.90, as of 12:27pm. (Representative image/Reuters)
Markets remained down for the better part of the day on Monday, with the Nifty 50 trading 0.94 per cent or 227.25 points lower at 23,809.90, as of 12:27pm. (Representative image/Reuters)

Around opening time, at 9:15am, the 30-share S&P BSE Sensex fell 2.08 per cent to 75,937.20 points, while the 50-share NSE Nifty plunged 1.92% to 23,589 points.

During the initial trade, all the 30-Sensex firms were trading in the lower trend, with Titan, Sun Pharma, NTPC, Bharat Electronics, Power Grid, and Bharti Airtel being the biggest laggards. Follow US-Iran war news live updates

Meanwhile, Brent crude, the global oil benchmark, surged 7.33 per cent to $102.2 per barrel.

Stock markets today

Markets remained down for the better part of the day on Monday, with the Nifty 50 trading 0.94 per cent or 227.25 points lower at 23,809.90, as of 12:27pm.

Meanwhile, the BSE Sensex was trading 1.02 per cent or 789.93 points lower at 76,760.32 at 12:27pm.

ALSO READ | ‘Don’t care if they come back': Trump after failed US-Iran talks in Pakistan; says Tehran in ‘very bad shape’

At this time, 25 of the 30 Sensex firms were trading at a loss, with HDFC Bank, IndiGo, Bajaj Finance, Reliance, and Maruti experiencing the maximum loss.

Stock markets tumbled on Monday amid heightening tensions over the surging oil prices in the wake of the failed US-Iran peace talks. (Screengrab/BSE Sensex)
Stock markets tumbled on Monday amid heightening tensions over the surging oil prices in the wake of the failed US-Iran peace talks. (Screengrab/BSE Sensex)

What caused the stock market crash today?

The bleeding markets are a result of the failure of the US-Iran talks in Islamabad over the weekend. US vice president and chief negotiator JD Vance announced at a press briefing on Sunday that he and his team were returning to Washington without a deal as Iran refused to accept what he described as America's "best and final offer".

Meanwhile, Iran blamed the failure on the "unreasonable demands" presented by the US, which included mentions of the Strait of Hormuz and Tehran's nuclear programme.

Later in the day, US President Donald Trump blasted Iran over the talks and announced that the American navy will begin a blockade of ships entering and exiting the Strait of Hormuz from 10am (local time) on Monday.

ALSO READ | Deal was just ‘inches away’: Iran FM shares what happened in talks with US

He said that he doesn't care if Iran comes back to the table or not, adding that Tehran's capabilities have been depleted and defeated. "Iran is in a very bad shape," he told reporters on Sunday night.

VK Vijayakumar, chief investment strategist at Geojit Investments Limited, told news agency PTI, "With the failure of US-Iran peace talks and Trump's declaration of US naval blockade in the Strait of Hormuz, uncertainty and along with it crude price have spiked. Brent at USD 103 is emerging as yet another threat to the economy and markets."

The development has "triggered a clear risk-off sentiment across global markets," said Hariprasad K, Research Analyst and Founder, Livelong Wealth.

Additionally, Asian markets, including South Korea's benchmark Kospi and Japan's Nikkei 225 index, were also trading lower.

  • Asmita Ravi Shankar
    ABOUT THE AUTHOR
    Asmita Ravi Shankar

    Asmita Ravi Shankar is a Senior Content Producer at Hindustan Times, based in New Delhi. She covers breaking news and focuses on crime, geopolitics, and the domestic political landscape. She has an eye for the intricacies in criminal investigations and a keen interest in how diplomacy and complexities affect politics, within India and globally. She has written extensively about Operation Sindoor, the Iran-US conflict, elections in India, Trump tariffs and diplomacy. Asmita also engages in multimedia storytelling, using interactive elements to enhance readers' news experience and build a high-traffic news ecosystem. With nearly three years of experience in the journalism industry, Asmita has been with HT for a little over a year. She has previously worked with online news teams at Outlook India and Network18, covering a wide range of beats and building her specialisation. In HT, she has been recognised for her comprehensive reportage and her contribution to coverage of the Bihar assembly election results, having single-handedly driven over 2 million users on that day. Asmita earned a bachelor's degree in journalism from Delhi College of Arts and Commerce, the University of Delhi. She went on to earn a postgraduate diploma in integrated journalism from the Asian College of Journalism, sharpening her skills in multimedia storytelling, editing and sourcing to enrich her reportage. Additionally, Asmita holds a degree in Bharatanatyam from the Pracheen Kala Kendra. She is also a teacher of the Indian classical dance form. When not working on news, Asmita can be found dancing, binge-watching true crime docu-series, cooking and exploring various genres of music.Read More