The Sensex is now down 49 points at 16,038.The NSE Nifty is has rebouned into the positive zone and is now up seven points at 4,836.Satyam has plunged over 4% to Rs 396, and Tata Motors has dropped 3.5% to Rs 655.TCS has tumbled 3% to Rs 853. Larsen & Toubro has slipped nearly 2% to Rs 2,988.Infosys and Ranbaxy have shed 1.7% each at Rs 1,472 and Rs 441, respectively.Reliance, Maruti and ICICI Bank are down over 1% each at Rs 2,270, Rs 835 and Rs 835, respectively.Hindalco has surged 5.5% to Rs 171. Jaiprakash Associates has rallied 2.7% to Rs 232.ITC, Hindustan Unilever and Cipla have advanced around 2% each to Rs 199, Rs 239 and Rs 209, respectively.Reliance Communications and Ambuja Cements have moved up 1.5% each to Rs 534 and Rs 124, respectively.DLF, BHEL and HDFC Bank are up over 1% each at Rs 666, Rs 1,978 and Rs 1,458, respectively.Out of 2,712 stocks traded so far, 1,523 have advanced, 1,125 have declined and 64 are unchanged.