The Sensex has gone deeper into the red, and is now at the day's low of 11,174, down 198 points.
The index today opened flat at 11,371 and touched a high of 11,376. However, it soon slipped into the negative zone.
Sterlite has slumped 5% to Rs 396. Tata Steel, ICICI Bank, Bharti Airtel and DLF have declined 3% each to Rs 245, Rs 453, Rs 720 and Rs 237, respectively.
Tata Motors has shed over 2.5% at Rs 242.
Tata Power, NTPC, HDFC, Reliance Communications, ONGC, Reliance Infrastructure and Grasim have slipped 2% each.
Wipro, BHEL, ITC, Hindalco, Larsn & Toubro, HDFC, ACC, Hindustan Unilever, SBI and Reliance have dropped 1-2% each.
On the other hand, Jaiprakash Associates and Mahindra & Mahindra have gained 3% each at Rs 134 and Rs 488, respectively. Infosys has advanced 2% to Rs 1,458.