After a positive opening, the BSE benchmark shot up to a high of 20,971.23 points fuelled by rise in IT stocks after Infosys posted a 21.4 per cent rise in net profit in December quarter and raised its revenue growth outlook for this fiscal.
However, the 30-share index later fell to a low of 20,625.17 as participants booked profits in banking, capital goods, realty and power shares.
The Sensex finally settled with a gain 45.12 points, or 0.22 percent, at 20,758.49. This was the barometer's best daily gain this year. On a weekly basis, it fell by 93 points and logged the second straight drop.
ICICI Bank and L&T led 19 Sensex losers lower. Infosys and ITC were among nine gainers. BHEL and Tata Motors closed unchanged.
December export growth eased to a six-month low of 3.49 percent, dampening sentiments ahead of IIP, said traders. Similarly, the 50-share NSE Nifty closed by 3.10 points, or 0.05 per cent, at 6,171.45, after climbing to 6,239.10. Also, SX40 index of MCX-SX ended 56.51 points up at 12,423.34.
"The BSE Sensex gained strongly midway into the trading session only to end flat. Banks came in for some strong selling. However, Infosys and Wipro maintained their up move. Later in the day we have the industrial production data to be announced for November," said Sanjeev Zarbade, Vice President- Private Client Group Research, Kotak Securities.
Brokers said a firming trend in global stock markets as traders awaited key jobs data due out of US, helped the domestic markets to close in the green.

IT was the flavour of the day with Infosys soaring 2.84 percent, Wipro 2.55 percent and TCS 1.70 percent, helping the BSE IT index rise 2.16 per cent. It was followed by BSE TECK index that rose by 1.76 percent, BSE FMCG index (1.43 percent) and BSE Oil and Gas index (0.59 percent).


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