The Sensex is now up 105 points at 13,536.Reliance Energy (REL) has surged 2.8% to Rs 530. Maruti has rallied 2.6% to Rs 893. Dr.Reddy's, TCS, Satyam, HLL and Tata Steel have advanced over 2% each to Rs 740, Rs 1,139, Rs 450, Rs 248 and Rs 473, respectively.Wipro, Tata Motors and Bharti Airtel are up 1.7% each at Rs 564, Rs 816 and Rs 615, respectively.HDFC has slipped over 2% to Rs 1,629.Out of 2,469 stocks traded so far, 1,794 have advanced, 594 have declined and the rest are unchanged.