Fresh buying in IT and technology stocks helped the index rebound into the positive zone, and touched day's high of 15,815 - up 501 points from day's low.
The Sensex finally ended with a gain of 255 points at 15,770.
The market breadth was marginally negative - out of 2,714 stocks traded, 1,397 declined, 1,240 advanced and 77 were unchanged today.
The NSE Nifty ended with a gain of 91 points at 4,677.
INDEX MOVERS...
ONGC zoomed 7.5% at Rs 953. Wipro soared 6.2% to Rs 528. Infosys surged 5.9% at Rs 1,980.
Reliance Infrastructure gained 5.7% at Rs 1,131, while NTPC moved up 5.6% to Rs 167. Satyam surged 5.5% to Rs 512.
Jaiprakash Associates was trading at Rs 206 - up 3.7%.
Hindustan Unilever and Grasim advanced 3.2% each to Rs 238 and Rs 2,246, respectively.
Tata Steel and ICICI Bank inched 3.1% each at Rs 841 and Rs 781, respectively.
ITC was up 2.9% to Rs 222, and TCS gained 2.6% to Rs 983.
HDFC Bank added 2.2% to Rs 1,243. Maruti advanced 2.1% at Rs 762.
Hindalco, SBI and Cipla were the other prominent gainers.
...AND THE SHAKERS
DLF plunged 3% to Rs 538. Reliance slipped 2.6% to Rs 2,248.
Ambuja Cements declined 1.9% at Rs 86. Tata Motors and BHEL dropped 1.8% each at Rs 533 and Rs 1,445, respectively.
Larsen & Toubro was down 1.6% at Rs 2,721.
MOST ACTIVE COUNTERS
Reliance led the value chart with a turnover of Rs 418.91 crore followed by Anu's Laboratories (Rs 353.59 crore), Reliance Capital (Rs 266.36 crore), Gokul Refoils (Rs 210.66 crore) and ONGC (Rs 204.36 crore).
IFCI, topped the volume chart with trades of around 1.90 crore shares followed by Anu's Laboratories (1.25 crore), Ispat Industries (1.21 crore), Chambal Fertilisers (1.15 crore) and Reliance Natural Resources (1.14 crore).
