The Sensex is now up 47 points at 13,926.Tata Steel, ACC, Grasim and Hindalco have surged around 1.5% each to Rs 561, Rs 876, Rs 2,509 and Rs 147, respectively. Ranbaxy, Reliance Communications, Gujarat Ambuja and Satyam are up 1% each at Rs 394, Rs 472, Rs 121 and Rs 465, respectively.Hero Honda and Infosys are down around 1% each at Rs 696 and Rs 2,020, respectively.Out of 2,261 stocks traded so far, 1,188 have advanced, 984 have declined and 89 are unchanged.