Dalal Street opened on a weak note on April 25 as the escalating tensions between India and Pakistan weighed on investor sentiments. The headline index Sensex fell as much as 1,195.62 points, or 1.5 per cent, to hit the day’s low at 78,605.81. Similarly, the Nifty 50 index tumbled up to 398.85 points, or 1.64 per cent, to touch the day’s low at 23,847.85.