A fresh round of selling has forced the Sensex back into the negative zone. The index is now down 132 points at 11,223.Dr.Reddy's has gained 2.7% at Rs 1,464, and Reliance is up 1.6% at Rs 842.Cipla has plunged 4.3% to Rs 657. Larsen & Toubro has dropped over 3% to Rs 2,475. BHEL is down nearly 3% at Rs 2,290.Grasim and ICICI Bank have slumped 2.5% each to Rs 2,121 and Rs 570, respectively.ITC, HLL, Satyam and NTPC have declined over 2% each.The market breadth is fairly negative. Out of 2,238 stocks traded so far, 1,517 have declined, 666 have advanced and 55 are unmoved.Madras Aluminium has zoomed 10% to Rs 440. Pidilite, Proctor & Gamble, Unitech, Bhartiya International, Pratibha, Himachal Futuristic, Uttam Sugar, Color Chips, Apollo Hospitals and Mastek are the other major gainers.Sterlite Industries and Crisil have plunged over 8% to Rs 2,318 and Rs 1,700, respectively. Malu Paper, Shivalik Global, Esab India, Heritage Foods, Sesa Goa, Godfrey Phillips, Gallant Metals, Corporation Bank, Jaiprakash Associates, Mirc Electronics, Birla Corporation, Merck and Raymond are the other major losers.