Fresh buying in index heavyweights lifted the Sensex to a new all-time intra-day high of 11,083. The index is now up 131 points at 11,081.HLL has surged over 4% to Rs 266. Tata Steel has rallied 3.7% to Rs 512, and Hindalco has added 3.3% to Rs 175.Dr.Reddy's has rebounded sharply. The stock was down over 1% at Rs 1,414, and is now up 2.7% at Rs 1,471.Tata Power, ONGC, ITC and Gujarat Ambuja have advanced over 2% each to Rs 601, Rs 1,247, Rs 189 and Rs 98.50, respectively.Cipla, Hero Honda and ACC have moved up nearly 2% each to Rs 638, Rs 909 and Rs 777, respectively.Reliance, Reliance Energy, Bharti Tele, SBI, NTPC and Ranbaxy have gained over 1% each.Wipro is the sole loser among the Sensex stocks.Out of 2,483 stocks traded so far, 1,505 have moved up, 886 have slipped and 92 are unchanged.