Infosys, which announced appointment of Vishal Sikka as new CEO and MD today, was trading up by 1.14 per cent, but reversed trend and was down 0.64%.
The 30-share index opened sharply higher at 25,597.21 points, but bouts of selling led to a low of 25,409.69 points in early trade.
The barometer was trading up by 85.57 points, or 0.34 per cent, at 25,559.46 points at 1100 hrs.
Meanwhile, the NSE 50-share Nifty was also up by 9.60 points, or 0.13 per cent, at 7,636.45.
ONGC rose by 2.10 per cent, HDFC by 1.84 per cent, Cipla by 1.28 per cent and Tata Power by 1.26 per cent.
Hindalco was trading up 1.17 per cent, SunPharma by 1.14 per cent and HDFC Bank by 0.88 per cent.
Foreign institutional investors sold shares worth Rs 313.40 crore yesterday, as per provisional data from stock exchanges.
Most Asian stocks were trading lower reacting to fall in the US market from record levels. Key benchmark indices in China, Indonesia, Japan, Taiwan, South Korea and Hong Kong were fell 0.16 per cent to 0.77 per cent. Singapore's Straits Times rose 0.07 per cent.