The Sensex is up 340 points at 9636.Reliance Energy has soared nearly 8% to Rs 407. Grasim has rallied 6.7% to Rs 1,668. Reliance has moved up nearly 6% to Rs 874.ITC and Ranbaxy has zoomed over 5% each to Rs 155 and Rs 360, respectively.NTPC, Hindalco, Bajaj Auto, ACC and Gujarat Ambuja have gained 4% each to Rs 104, Rs 158, Rs 2,455, Rs 728 and Rs 90, respectively.Out of 2,075 stocks traded so far, 1,059 have declined, 971 have advanced and 45 are unchanged.