The Sensex is now up 552 points at 19,715.Wipro has zoomed 7.5% to Rs 529. Infosys has soared 5.5% to Rs 1,792, and TCS has surged 5% to Rs 1,097. Satyam has gained 4.4% at Rs 447.HDFC has rallied 5.8% to Rs 2,883, and BHEL has gained 4.7% at Rs 2,480.ICICI Bank and Tata Steel have moved up 4.4% each to Rs 1,208 and Rs 860, respectively. ONGC has advanced over 4% to Rs 1,240.Reliance Energy has added 3.3% to Rs 2,005. Mahindra & Mahindra and Bharti Airtel are up around 3% each at Rs 810 and Rs 941, respectively.Out of 2,871 stocks traded so far, 2,025 have advanced, 805 have declined and 41 are unchanged.