The Sensex is now down 573 points at 18,441.Satyam has tumbled over 10% to Rs 335. Reliance Communicaitons has slumped 5.7% to Rs 662, and DLF has plunged 5.4% to Rs 952.Wipro has shed 4.7% at Rs 434, and HDFC Bank has dropped 4.5% to Rs 1,505.Larsen & Toubro, ITC and Mahindra & Mahindra have slipped around 4% each to Rs 3,766, Rs 204 and Rs 700, respectively.Tata Steel, ICICI Bank and NTPC have dropped 3.7% each to Rs 753, Rs 1,199 and Rs 231, respectively.Tata Motors, Cipla and Reliance are down over 3% each to Rs 689, Rs 196 and Rs 2,714, respectively.
