The Sensex opened with a positive gap of 100 points at 15,714, and is now up 156 points at 15,770.ICICI Bank has moved up nearly 2% to Rs 900. SBI has added 1% to Rs 1,694.RCom is up over 1% at Rs 558. Grasim, Tata Motors, Satyam and Dr. Reddy's also up 1% each.Reliance and Infosys are also up 1% each at Rs 2,045 and Rs 1,850, respectively.