Higher global advices coupled with sustained capital inflows from foreign funds into equity market also boosted the market sentiment.
The 30-share barometer resumed higher at 18,510.94 and moved up further to 18,544.08. It, however, declined immediately to 18,497.49, before quoting 18,507.06 at 1030 hrs, a gain of 46.68 points, or 0.25 per cent, from its last close.
The NSE 50-share index Nifty also inched up by 4.45 points, or 0.08 per cent, to 5,619.25.
Asian stocks gained in the early trade as a preliminary survey showed China's manufacturing is poised to expand this month.
Key benchmark indices in Hong Kong, Indonesia, Japan, Singapore, Taiwan and South Korea rose in the range of 0.26 to 1.09 per cent, while China's Shanghai Composite fell 0.53 per cent.
Foreign Institutional Investors (FIIs) continued their buying spree by investing net Rs 182.59 crores yesterday, as per the provisional data issued by stock exchanges.
