The Sensex has shed gains on profit-booking, and is now up only 88 points at 15,023.Tata Steel is now up 3% at Rs 641. SBI has dropped to Rs 1,594 - a gain of only 3%.RCom is now up 2.6% at Rs 544. REL and BHEL are trading with gains of 2% each at Rs 755 and Rs 1,699, respectively.Tata Motors has dropped 3% to Rs 647.Wipro is down nearly 2% at Rs 468. Infosys, M&M, TCS and HUL are also trading weak.Advances continue to be ahead of declines - out of 2,582 scrips traded till now, 1,531 are trading with gains.