Sensex Tanks 796 Points, Nifty Below 20,000 On Selling In HDFC Bank, RIL

Among the Sensex firms, HDFC Bank emerged as the biggest loser, falling 4 per cent. JSW Steel, Reliance Industries, UltraTech Cement, Maruti, Tata Steel, Wipro, Tech Mahindra, Bharti Airtel and Larsen & Toubro were the other major laggards.

Benchmark indices Sensex and Nifty tumbled more than 1 per cent today due to selling in index heavyweights in tandem with weak global trends ahead of the US Federal Reserve's interest rate decision.

Falling for the second day running, the 30-share BSE Sensex tumbled 796 points or 1.18 per cent to settle at 66,800.84. During the day, it tanked 868.7 points or 1.28 per cent to 66,728.14.

The NSE Nifty declined 231.90 points or 1.15 per cent to end below the 20,000 mark at 19,901.40.