The Sensex is now up 77 points at 15,627.Bharti Airtel has zoomed 4% to Rs 931. Larsen & Toubro has soared 3% to Rs 2,445.Ranbaxy and Tata Steel have surged 1.5% each to Rs 357 and Rs 693, respectively.NTPC, SBI, Mahindra & Mahindra and Tata Motors are up 1% each at Rs 158, Rs 1,612, Rs 823 and Rs 786, respectively.Satyam, ACC and Hindustan Unilever have slipped over 2% each to Rs 476, Rs 1,126 and Rs 194, respectively.Cipla, Ambuja Cements, Bajaj Auto and Hindalco are down around 1% each to Rs 203, Rs 137, Rs 2,356 and Rs 184, respectively.