The Sensex is now down 50 points at 18,611.The NSE Nifty is down three points at 5,460.Infosys has plunged 2.6% to Rs 1,600. Satyam and Wipro have shed 2% each at Rs 428 and Rs Rs 455, respectively. TCS has slipped 1.6% to Rs 960.Tata Motors has tumbled 3% to Rs 747, and Tata Steel has shed 2.5% at Rs 783.Bajaj Auto and Hindustan Unilever have declined around 2% each to Rs 2,406 and Rs 208, respectively.Mahindra & Mahindra, ICICI Bank and SBI have dropped around 1.5% each to Rs 685, Rs 1,193 and Rs 2,240, respectively.Grasim and HDFC Bank have slipped 1.3% each to Rs 2,990 and Rs 1,529, respectively.Reliance Communications and ITC are down 1% each at Rs 677 and Rs 203, respectively.NTPC has surged 3% to Rs 221.Ranbaxy has rallied nearly 3% to Rs 384, and ACC has advanced nearly 2% to Rs 782.Bharti Airtel and Cipla have gained 1.3% each at Rs 935 and Rs 202, respectively.HDFC is up over 1% at Rs 3,050.