The Sensex is now up 291 points at 10,773.Wipro, Grasim and Tata Steel have gained around 7.5% each at Rs 474, Rs 1,890 and Rs 508, respectively.Tata Power and BHEL have surged over 6% each to Rs 542 and Rs 2,009, respectively.Hero Honda down over 3% at Rs 789 is the major loser among the Sensex stocks.Out of 2,414 stocks traded so far, 1,284 have advanced, 1,086 have declined and the rest are unchanged.