Domestic stock markets indices BSE Sensex and NSE Nifty 50 were up 1% each on Tuesday. BSE Sensex jumped more than 500 points or 1 per cent to 53,800, while NSE Nifty 50 topped 15,600 on Tuesday. Reliance Industries Ltd (RIL), Tech Mahindra, ICICI Bank, State Bank of India (SBI), Power Grid Corporation of India, HDFC, HDFC Bank were among top BSE Sensex gainers. Only one stock on S&P BSE Sensex was in red. Asian Paints share price was down nearly half a per cent. All the Nifty sectoral indices were ruling in the green. Nifty Bank index jumped 0.6 per cent, Nifty Metal was up 1.2 per cent, and Nifty IT rose 0.3 per cent. HDFC share price rose 0.6 per cent, and HDFC Bank stock price was up 0.5 per cent after these two received RBI approval on merger.