The Sensex opened with a positive gap of 145 points at 19,308, and the index soon rallied to a high of 19,544. The index is now up 386 points at 19,549.All index stocks are in positive zone.Wipro and HDFC have soared 2.8% each to Rs 505 and Rs 2,800, respectively. Infosys has rallied 2.5% to Rs 1,741.ICICI Bank has surged 2.3% to Rs 1,183. Reliance and Tata Steel have advanced over 2% each to Rs 1,982 and Rs 842, respectively.ONGC, HDFC Bank and Satyam have gained 2% each at Rs 1,215, Rs 1,680 and Rs 436, respectively.TCS and NTPC have moved up nearly 2% each to Rs 1,065 and Rs 234, respectively. DLF has added 1.7% to Rs 978.