The Sensex opened with a positive gap of 45 points at 9425. The index touched a high of 9462, and is now up 64 points at 9445.Gujarat Ambuja and Reliance Energy have gained 2% each.ACC, Ranbaxy, Bajaj Auto, ICICI Bank, Tata Motors, Hindalco, ONGC, HDFC, Hero Honda, Infosys and Cipla are up 1-2% each.