Towards the end of the session, equities faced heavy selling pressure as a result of F&O expiry and BSE Sensex ended on a negative note.

BSE Sensex closed down by 324 points or 2.33% at 13,589.37 points and NSE Nifty closed at 4,107.7 points down 3.06 per cent.

Out of total 2,810 traded shares on BSE, 1,452 suffered loses, 1,326 gained and rest 32 were unchanged today.

Among the top losers, Reliance Communications down by 9.73 %, Ranbaxy Laboratories down by 7.91% and Bharti Airtel down by 5.71%.

Hindalco Industries (3.36%), Infosys Technologies (2%), Wipro (1.05%) and Sterlite Industries (0.17%) were among the top gainers.

BSE Reality index was dropped 4% and the Bankex was down by 3% and ended at 3,314 and 7,605 respectively.