Markets continue to touch record close as Nifty and Sensex closed above 15,000 and 51,000 levels, respectively for the first time ever. Sensex gained by 617.14 points or 1.22 per cent to close at 51,348.77 levels while Nifty rose by 1.28 per cent or 191.55 points to settle at 15,115.80 levels.