The Sensex concluded the trading session with a gain of 0.79%, surpassing the 63,900 level, while the Nifty recorded a higher closure of 0.82%, going beyond the 18,900 level. Both Nifty Midcap and Nifty Smallcap indices registered gains of 0.63% and 0.35% respectively. Notably, Nifty Pharma, Nifty Metal, and Nifty Energy emerged as the top …