US Attacks Iran: Domestic stock market tumbled in trade on Monday, June 23 as investors reacted to United States' (US) attack on Iran’s key nuclear sites, raising fears of further escalation in the Iran-Israel war. The Sensex fell 511.38 points, or 0.62 per cent, to close at 81,896.79, and the Nifty 50 lost 140.50 points, or 0.56 per cent to settle at 24,971.90.