Sensex, Nifty see muted opening amid volatility; banking stocks drag

Benchmark stock market indices opened flat on Tuesday as higher volatility keeps the bulls in check on Dalal Street. The S&P BSE Sensex opened 136.83 points higher at 60,829.37 at 9:30 am, while the NSE Nifty 50 went up marginally by 38.70 points to 17,883.30. Broader markets were also trading mixed as sentiment…