The Sensex is now up 81 points at 12,594.ICICI Bank has advanced 3.3% to Rs 660. SBI has added 2.3% to Rs 998.Tata Power has surged 2.5% to Rs 579, and NTPC has spurted over 1% to Rs 131.Larsen & Tourbo has rallied 2% to Rs 2,829. Hindalco has gained 1.7% at Rs 233, and Tata Steel has moved up 1.4% at Rs 669.ONGC has gained 1.6% at Rs 1,463.HDFC and Gujarat Ambuja are the prominent losers among the Sensex stocks.Out of 2,550 stocks traded so far, 1,803 have advanced, 683 have declined and the rest are unchanged.