The Sensex is now up 626 points at 18,240.BHEL has zoomed nearly 10% to Rs 2,258. Larsen & Toubro and Reliance Energy have soared nearly 7% each to Rs 3,310 and Rs 1,464, respectively.HDFC Bank has surged 6.5% to Rs 1,461. NTPC and Bharti Airtel have rallied 5.5% each to Rs 211 and Rs 979, respectively.Reliance has gained 5% at Rs 2,535. ACC, Hindalco, Reliance Communications and Tata Steel have moved up around 4% each to Rs 1,061, Rs 185, Rs 748 and Rs 869, respectively.SBI, Hindustan Unilever and Tata Motors have advanced over 3.5% each to Rs 1,775, Rs 214 and Rs 800, respectively.Mahindra & Mahindra, ICICI Bank, ONGC and Satyam are up around 3% each at Rs 778, Rs 1,094, Rs 1,130 and Rs 461, respectively.Out of 2,668 stocks traded so far, 2,044 have advanced, 560 have declined and 64 are unchanged.