The Sensex is now down 217 points at 9,319.
ACC has slumped 8.7% to Rs 420, and Tata Motors has tumbled over 7% to Rs 137.
Tata Steel has shed 6.5% at Rs 173. HDFC has dropped 5.5% to Rs 1,550.
Jaiprakash Assocaites and Sterlite have plunged nearly 5% each to Rs 73 and Rs 226, respectively.
Larsen & Toubro, Reliance Infrastructure and BHEL have slipped around 4.5% each to Rs 789, Rs 517 and Rs 1,278, respectively.
Maruti and Infosys are down around 4% each to Rs 536 and Rs 1,210, respectively.
Bharti Airtel has surged 3% to Rs 650. Reliance Communications is up 1% at Rs 218.
The market breadth is fairly negative - out of 2,545 stocks traded so far, 1,574 have declined, 892 have advanced and the rest are unchanged.
