The Sensex has pared gains and is now up 124 points at 15,027. The index had touched a high of 15,142 in opening trades this morning.Ambuja Cements has soared 2.3% to Rs 129. Reliance Energy and ACC have surged 2% each to Rs 757 and Rs 998, respectively.NTPC and Tata Motors have rallied 1.8% each to Rs 166 and Rs 661, respectively.SBI, Bharti Airtel and Wipro have advanced nearly 1.5% each to Rs 1,706, Rs 873 and Rs 464, respectively.Reliance and BHEL have moved up 1.3% each to Rs 1,805 and Rs 1,704, respectively. Out of 2,583 stocks traded so far, 1,943 have advanced, 586 have declined and 54 are unchanged.