The Sensex has crossed the 8,100-mark comfortably, and is now up 51 points at 8,111.TCS has gained over 2% (Rs 29) to Rs 1,421. Infosys is up Rs 9 at Rs 2,427. Satyam and Wipro are also trading with gains.ITC has moved up over 2% (Rs 39) to Rs 1,871. HLL is up 2.7% (Rs 4) to Rs 170. Reliance is up Rs 7 at Rs 748. ONGC and SBI are also in positive zones.Bajaj is up Rs 18 at Rs 1,571. Grasim is up Rs 21 at Rs 1,323.