The Sensex has rebounded into the positive zone and is now up 15 points at 13,355.Tata Motors and Reliance Communications have rallied around 2% each to Rs 853 and Rs 456, respectively.Hero Honda and Tata Steel have spurted 1% each to Rs 739 and Rs 470, respectively.ICICI Bank has slipped over 1% to Rs 849.Out of 2,064 stocks traded so far, 1,139 have moved up, 861 have slipped and 64 are unchanged.