After scaling a new peak of 10,185 in the opening deals, the Sensex slipped into red on account of profit taking. Sustained selling pressure in the market saw the index slide to a low of 10,064 - down 121 points from the peak.The Sensex finally closed with a loss of 0.9% (87 points) at 10,087.HLL soared to a high of Rs 226 - up almost 10% from the day's low of Rs 206 - following strong Q4 numbers announced by the company. The stock closed 7.2% higher amid hefty volumes of around 78.59 lakh shares.Bajaj Auto was the other major gainer among the Sensex stocks today. The stock zoomed to a new all-time high of Rs 2,355, before settling with a gain of 3.6% at Rs 2,302.Bharti Tele moved up 1% to Rs 367, and ITC at Rs 164 was the only other notable gainer among the Sensex stocks.Cipla witnessed heavy profit taking today. The stock had appreciated a whopping 33% in the seven trading sessions as a run-up to the bonus announcment, wherein the stock touched a high of Rs 587 yesterday after a 3:2 bonus announcement was made. However, profit taking today saw the scrip shed 4.5% and close at Rs 540.Larsen & Toubro, too, declined 4% to Rs 2,401 on owing to profit taking.Tata Power and Tata Motors tumbled over 3% each to Rs 494 and Rs 767, respectively.Satyam and Wipro shed over 2.5% each to Rs 737 and Rs 493. TCS was down nearly 2% at Rs 1,619, and Infosys ended with a loss of 1.3% at Rs 2,823.Hindalco (Rs 159), Tata Steel (Rs 383) and ICICI Bank (Rs 596) slipped over 2% each.Dr.Reddy's, SBI, ACC, Ranbaxy, Grasim, Maruti and NTPC were down 1-2% each.