The Sensex is now down 13 points at 15,591.Reliance Energy has surged 2.4% to Rs 904. Ambuja Cements, Tata Steel and ONGC have advanced around 1% each to Rs 146, Rs 712 and Rs 842, respectively.Satyam has shed 1.8% to Rs 423, and TCS has slipped 1.4% to Rs 1,009.Out of 2,651 stocks traded so far, 1,452 have advanced, 1,138 have declined and 61 are unchanged.
