At close, the Sensex was up 447.55 points or 0.53% at 84,929.36, and the Nifty was up 150.85 points or 0.58% at 25,966.40. The mid and small-cap segment clocked stronger gains. Among the sectors, almost all the sectors ended high. Nifty Realty, Auto, Healthcare, Oil and Gas and Pharma spiked