The Sensex fell down on the back of global worries. It slipped below 12,000 level and also touched an intra-day low of 11,936.84 during the afternoon trades because of heavy selling action witnessed across board. 

Metal, consumer goods, realty, power, IT, banking segments were hammered badly. 

BSE Midcap index lost 5.61%, whereas Smallcap index fell 4.94%. 

At 1:59 p.m., the 30-share index Sensex stood at 12,019.37, down 506.95 points. It also hit a high of 12,284.49 and a low of 11,936.84.

In contrast, the broad based Nifty lost 180.75 points at 3,637.55, after touching a high of 3,820.85 and a low of 3,634.45. 

The 30-share index BSE Sensex opened at 12,284.49 after losing 241.83 points.

The overall breadth of the stock market was negative. Out of the total 2,529 stocks traded at BSE, 283 went up, 2,208 dropped down while 38 remained unchanged.

There were no gainers at the 30-share index.

The stocks, which dragged the Sensex down included Sterlite Industries (India) (11.32%), Jaiprakash Associates (11.24%), Tata Power Company (10.64%), Tata Steel (9.88%), Reliance Energy (9.34%) and DLF (9.30%).