Market Opening Bell: Sensex, Nifty trade flat, Infosys, TCS top gainers Updated : August 20, 2019 09:56 AM IST The BSE Sensex opened at 37,441.75 on Tuesday, while the NSE Nifty50 started at 11,063.90. Broader markets were under pressure with the Nifty MidCap down 0.14 percent in initial trade. Mahanagar Gas, Zee entertainment, Infosys, M&M, HDFC Bank, TCS are among major gainers. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.