At close, the Sensex was down 667.29 points or 1.77% at 36939.60, and the Nifty was down 181.90 points or 1.64% at 10891.60 weighed down by Reliance Industries and financial counters. Titan was the top gainer, followed by Tata Steel, HCL Tech, L&T, Tata Motors and State Bank of India. On the other hand, losers include UPL, IndusInd Bank, HDFC Life, Kotak Mahindra Bank and IOC. About 1409 shares have advanced, 1213 shares declined, and 169 shares are unchanged. Among sectors, except metal other indices ended in the red. BSE Midcap Index ended 0.3 per cent lower, while the Smallcap Index gained 1 per cent. Volatility index, India VIX, climbed 3.89 per cent to 25.13 levels, indicating increased volatility in the market.