The BSE Sensex sank 181.55 points or 0.94% to settle at 19,136.61 (Provisional) while the S&P CNX Nifty dropped 49.55 points or 0.85% to end at 5,750.20.

The BSE Sensex touched a high and a low of 19,417.61 and 18,954.82 respectively. There were 9 advances against 21 declines on the index.

The 50-share S&P CNX Nifty is trading at 5,776.15, after shedding 23.60 points or 0.41%.Nifty December futures saw an addition of 5.63% or 1.46 million (mn) units, taking the total outstanding open interest (OI) to 27.38 mn units.

In Nifty calls, 6000 strike price (SP) from the December series was the most active call with an addition of 1.00 mn or 20.81%.Among Nifty puts, 5700 SP from the December month expiry was the most active put with an addition of 0.66 mn or 13.24%. The maximum Call OI outstanding was at 6000 SP (5.83 mn) and that for Puts at 5700 SP (5.71 mn).The respective Support and Resistance levels are: Resistance 5,846.32 Pivot Point 5,768.33 Support 5,698.17. The Nifty Put Call Ratio (PCR) OI wise stood at 1.35 for December-month contracts.

TCS up 2.17%, Cipla up 1.58%, SBI up 1.20%, Tata Power up 0.55% and ONGC up 0.54% were the major gainers on the Sensex. On the other hand, JP Associates down 8.26%, R Infra down 7.28%, R Com down 5.80%, Tata Motors down 3.61% and M&M down 3.23% were the major laggards on the index.