Sensex crashes 2400 points in 3 days, investors lose ₹18 lakh crore— Why is the Indian stock market down? Explained by Live mint | January 21, 2026 11:15 am | Indian Stocks, Market, News The Sensex has crashed more than 2,400 points, or 3%, while the Nifty 50, too, has plunged 3% over the last three days. In just three consecutive sessions, investors have lost about ₹18 lakh crore.