Sensex crashes over 600 points, Nifty 50 nears 25,150— Why is the stock market down ahead of the Economic Survey 2026? by Live mint | January 29, 2026 10:31 am | Indian Stocks, Market, News The 30-share pack Sensex crashed over 600 points, or 0.80%, to an intraday low of 81,707.94, while the Nifty 50 also dropped by 0.70% to its day’s low of 25,159.80.