A caution prevailed ahead of September IIP data, to be released later in the day, that added to weakened sentiment.
Sensex slumped by 669.98 points, or 2.43 per cent, to 26,847.70. While, Nifty fell by 216.40 points, or 2.53 per cent, to 8,309.35.
Barring Sun Pharma, all stocks of the 30-Sensex pack were trading in the negative zone. Besides, all the sectoral indices led by consumer durables, realty and auto were lower by up to 4.52 per cent.
Disappointing earnings by state-run State Bank of India, recording 99.6 per cent dip in consolidated net profit too accelerated selling activity, they added.
Furthermore, depreciating rupee against the dollar also had a negative impact, they said.
Asian markets ended mixed and European shares were down in their early trade.
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