Volatility ruled the roost as the key benchmark indices dropped in morning trade soon after regaining positive zone after a subdued start. At 10:16 IST, the barometer index, the S&P BSE Sensex, was down 175.87 points or 0.48% at 36,255.80. The Nifty 50 index was down 56.80 points or 0.52% at ...read more