The Sensex is now up 223 points at 15,581.The NSE Nifty is up 65 points at 4,689.DLF has soared over 5% to Rs 638. Jaiprakash (JP) Associates has surged 4.6% to Rs 229.Hindalco has rallied 3.7% to Rs 180, and Satyam has gained 3.5% at Rs 377.Larsen & Toubro has moved up nearly 3% to Rs 2,885. ICICI Bank and NTPC have advanced 2.5% each to Rs 859 and Rs 191, respectively.ITC, Infosys and Reliance Energy are up nearly 2% each at Rs 190, Rs 1,360 and Rs 1,220, respectively.Mahindra & Mahindra (M&M) has tumbled 4.3% to Rs 632, and Maruti has dropped 3.8% to Rs 808.Bharti Airtel has shed 3.6% at Rs 750. Ambuja Cements has slipped 2.4% to Rs 118, and HDFC has declined over 1% to Rs 2,470.Out of 2,538 stocks traded so far, 1,463 have declined, 1,007 have advanced and 68 are unchanged.