Technology, IT, realty and healthcare stocks found themselves on the buy list. Positive Asian cues came as early pointers for the market.
The 30-share index traded higher by another 45.15 points, or 0.13 per cent, at 33,606.70. Sectoral indices such as technology, IT and realty stocks climbed by up to 0.48 per cent.
The gauge had gained 801.11 points in the previous five sessions.
The NSE Nifty too edged up by 18.70 points, or 0.18 per cent, at 10,361.
Observers said uninterrupted buying by domestic institutional investors and a firm trend in Asia laid the early pitch.
Hong Kong's Hang Seng gained 0.62 per cent while Shanghai Composite edged up 0.59 per cent in opening trade today. Financial markets in Japan are closed today for a public holiday.
The US Dow Jones Industrial Average, however, ended 0.27 per cent lower yesterday.
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