Mirroring positive cues from the global markets, the Sensex opened with a positive gap of 104 points at 15,793. The index is now up 153 at 15,843.
Jaiprakash Associates has surged 3% to Rs 224. Reliance Communications and Sterlite have rallied 2% each to Rs 298 and Rs 683, respectively.
Hindalco, Tata Steel, DLF, Wipro, Maruti and Hero Honda are the other prominent gainers.
There are no losers so far in the Sensex stocks.