The benchmark Sensex rose by 115 points in the opening trade on Wednesday on fresh buying by funds after reports that the government might announce a series of measures to boost economic growth.
The Bombay Stock Exchange barometer, which on Tuesday closed down by over 100 points after trimming its hectic early losses, moved up by 115.57 points to 8,854.81 with all sectoral indices, led by realty segment, trading in the positive zone.
The wide-based National Stock Exchange's Nifty rose by 35.85 points, or 0.74 per cent, at 2,693.65 points.
Marketmen said trading sentiments turned positive on reports that the government might take measures, including cheap credit to exporters and making available additional funds worth Rs 50,000 crore to the infrastructure sector.
Firming trends in Asian stock markets in early trade on Wednesday after a strong overnight rally on the Wall Street and the European equity markets bolstered the sentiments in the domestic market, they added.
Among realty stocks, country's leading developers DLF Ltd rose by 2.09 per cent at Rs 185.80, Parsvnath gained 3.34 per cent at Rs 34 and Unitech moved up by 4.08 per cent at Rs 26.80.
The country's most valuable company Reliance Industries Ltd gained 1.43 per cent at Rs 1,090, Reliance Infra gained 0.67 per cent at Rs 496, RCom by 0.86 per cent at Rs 193.70, Larsen and Toubro by 1.77 per cent at Rs 691.20 and BHEL by 0.92 per cent at Rs 1,285.80.
Among banking stocks, State Bank of India rose by 0.91 per cent at Rs 1,049.70 and ICICI Bank gained 0.59 per cent at Rs 325.65.