The Sensex has rebounded into the positive zone and is now up four points at 14,500.ITC has shed 1.6% to Rs 162, and Gujarat Ambuja has slipped 1.3% to Rs 112. Larsen & Toubro, Reliance Energy, HDFC Bank, Hero Honda and ACC have declined around 1% each to Rs 1,947, Rs 535, Rs 1,154, Rs 706 and Rs 831, respectively.BHEL and Tata Steel are up over 1% each at Rs 1,386 and Rs 644, respectively.Out of 2,328 stocks traded so far, 1,189 have declined, 1,053 have advanced and 86 are unchanged.