Mumbai, Sept. 20 -- The BSE Sensex tanked 579.71 pts at 67,017.13 in opening trade as selling was witnessed across the board.

The NSE slipped 161.60 points to 19,971.70.

The equity market was seen under pressure for the second straight session on Wednesday, as yesterday the market was closed for the 'Ganesh Chaturthi', festival.

The midcap declined by 0.19 pc and the smallcap by 0.25 pc.

In 30 scrips, 10 advanced while 20 declined.

The losers were HDFC Bank by 3.69 pc to Rs 1569, Reliance Industries by 1.93 pc to Rs 2388.90, Hind Unilever by 0.85 pc to Rs 2466.25, JSW Steel by 0.85 pc to Rs 800.80 and Maruti Suzuki by 0.72 pc to Rs 10,447.

The gainers were Axis Bank by 1.63 pc to Rs 1041.70, M&M by 1.04 pc to Rs 1658.45, Tata Motors b...