The Sensex opened with a positive gap of 32 points at 12,756, and went on to touch a high of 12,802.The index is now up 65 points at 12,789.Ranbaxy has spurted 1.5% to Rs 417. Bajaj Auto has added 1.3% to Rs 2,824.Reliance is up over 1% at Rs 1,209.Wipro, Tata Steel, Guajrat Ambuja, BHEL and HDFC Bank also up 1% each.Satyam has slipped 1.5% to Rs 434.