The Sensex has rebounded into the positive zone and is now up 19 points 11,989.Larsen & Toubro has surged 2% to Rs 2,700. Maruti has rallied 1.7% to Rs 932.Satyam and Tata Steel are up 1% each at Rs 848 and Rs 493, respectively.ICICI Bank has slipped over 1% to Rs 638.