The Sensex has zoomed past the 12,000-mark and is now up 181 points at 12,033.ICICI Bank has soared 4% to Rs 600. Hindalco has surged over 3% to Rs 220. Tata Steel has spurted over 2% to Rs 648.Tata Power and Grasim have moved up 2.5% each at Rs 560 and Rs 2,405, respectively.Cipla, Satyam, Gujarat Ambuja, SBI and Infosys are also trading with smart gains.