The Sensex is now up 100 points at 10,516.Hindalco and Reliance Communications (RCL) have gained over 2.5% each to Rs 162 and Rs 255, respectively.Maruti, Infosys and Tata Motors have advanced over 2% each to Rs 756, Rs 1,642 and Rs 715, respectively.Cipla has added 1.7% to Rs 227. HDFC, Bharti, TCS and Ranbaxy are up 1.5% each at Rs 1,115, Rs 375, Rs 1,873 and Rs 362, respectivey.Out of 2,167 stocks traded so far, 1,419 have advanced, 674 have declined and 74 are unchanged.