The Sensex has slipped further into the red to 11,972. It is now down 181 points at 11,977.
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(Updated at 1218 hrs)
The Sensex has extended losses and is now down 115 points at 12043. The index dropped to a low of 11,999, down 212 points from the day's high.
Tata Steel and Sterlite have shed 3% each to Rs 267 and Rs 478, respectively. ONGC, Mahindra & Mahindra, HDFC Bank and Infosys have declined 2.5% each.
Wipro, Ranbaxy, TCS and ITC have dropped 2% each to Rs 367, Rs 172, Rs 626 and Rs 189, respectively.
SBI, NTPC, Maruti Suzuki, ICICI Bank, Larsen & Toubro, Hindustan Unilever, Reliance, Reliance Communications, Sun Pharma and Tata Motors are the other major losers.
On the other hand, DLF has surged 4.5% to Rs 247. HDFC and ACC have advanced 3% each to Rs 1,903 and 611.
Reliance Infrastructure, Grasim and Hindalco have moved up around 1% each.
The market breadth is marginally positive - out of 2,225 stocks traded, 1,129 have advanced while 1,003 have declined.