Sensex, Nifty Today: Headline indices continued to rally for the seventh straight session on April 23. The Sensex reclaimed the 80,000 mark as it closed above 80,116.49, up by 520.9 points or 0.65 per cent. The 50-share Nifty also closed higher by 161.7 points, or 0.67 per cent, at 24,328.95.