The Sensex opened with a huge positive gap of 92 points at 20,393 and hit a high of 20,452 in early deals. It is now up 118 points at 20,419.ITC has moved up 2% to Rs 222. Reliance is up Rs 15 at Rs 2,862.Grasim has added 1.6% to Rs 3,824.NTPC and Maruti are up 1% each.ACC, L&T, ONGC and Tata Motors are also trading with gains.