The Sensex is now up 183 points at 16,337.The NSE Nifty is up 46 points at 4,926.Infosys and Satyam have surged 4.4% each to Rs 1,577 and Rs 472, respectively. Wipro has gained 2.3% at Rs 435, and TCS has added 1% to Rs 985.Reliance Energy has soared 3.7% to Rs 1,349. Hindalco and Reliance Communications have rallied around 2.5% each to Rs 178 and Rs 532, respectively.Tata Steel and DLF have moved up 1.8% each to Rs 705 and Rs 628, respectively. Ranbaxy and Reliance have added 1.5% each to Rs 489 and Rs 2,649, respectively.Ambuja Cements has shed 1.7% at Rs 115, and BHEL and has slipped 1.5% to Rs 1,809.