As of 9.25 am, Sensex advanced 496 points, or 0.59 per cent at 84,367 and Nifty inched up 147 points, or 0.58 per cent to 25,842. The broadcap indices performed in line with the benchmarks, with the Nifty Midcap 100 up 0.55 per cent and the Nifty Smallcap 100 adding 0.61 per cent.