The Sensex has rebouned into the positive zone and is now up 12 points at 16,099.The NSE Nifty is up 28 points at 4,857.Satyam and Tata Motors have plunged 4% each to Rs 396 and Rs 651, respectively. TCS has shed 2.8% at Rs 855.Infosys and Ranbaxy have slipped nearly 2% each to Rs 1,468 and Rs 440, respectively.Larsen & Toubro and Reliance have dropped 1.5% each to Rs 3,000 and Rs 2,267, respectively.Maruti and ICICI Bank are down over 1% each at Rs 836 Rs and Rs 833, respectively.Hindalco has surged 6.5% to Rs 172. Jaiprakash Associates has rallied 2.7% to Rs 232.ITC, Hindustan Unilever and Bharti Airtel have advanced around 2% each to Rs 199, Rs 239 and Rs 819, respectively.Cipla has moved up 1.7% to Rs 209. ONGC and Ambuja Cements have gained 1.5% each at Rs 1,078 and Rs 124, respectively.DLF and BHEL are up over 1% each at Rs 665 and Rs 1,977, respectively.Out of 2,744 stocks traded so far, 1,563 have advanced, 1,108 have declined and 73 are unchanged.