Sensex Opens Firm; Coal India & HDFC Bank Top Gainers By: TalkMarkets May 31, 2018 at 04:50 AM EDT India share markets opened the day on a firm note. The BSE Sensex is trading up by 132 points while the NSE Nifty is trading up by 38 points. Read More >> Related Stocks: India 50 Ishares ETF India MSCI Ishares ETF Wisdomtree India Earnings Fund