The Bombay Stock Exchange benchmark Sensex gained over 289 points in early trade on Monday on the back of massive buying by funds in index-related stocks, tracking firm global trend.
The 30-share index, which moved up by 50.57 points in the previous sessions, gathered another 289.14 points at 15,456.96.
Similarly, the wide-based National Stock Exchange's Nifty shot up by 86.50 points at 4,616.00 as most of the index related stocks were trading in positive zone.
Marketmen said buying activity gathered momentum, triggered by firming trends in global markets.
Meanwhile, the Hong Kong's benchmark index rose 175 points, or 0.8 per cent in opening trade on Monday, tracking Friday's gains on the Wall Street.
They said easing crude oil prices, which dipped to about 116 US dollar a barrel in the global markets, too influenced the trading sentiments.
Major gainers, which supported the Sensex were Reliance Industries, Reliance Infra, Rcom, ONGC, Infosys Technologies, Tata Consultancy, Wipro, Satyam Computers, Larsen and Toubro, BHEL, Grasim Industries, HDFC Bank, ICICI Bank, State Bank of India, DLF Ltd, HDFC Ltd, Mahindra and Mahindra, Maruti Suzuki, Tata Steel and Tata Power.