The Bombay Stock Exchange benchmark Sensex on Monday moved up by 325 points in early trade on the back of buying in heavy-weight stocks by funds and retail investors, tracking firm global markets.
The 30-share index, which had lost 60.58 points in the previous volatile session, recovered by 325.40 points, or 2.11 per cent to 15,515.02 in the first five minutes of trade.
The wide-based National Stock Exchange's index Nifty regained 4,600 points by surging 90.90 points, or 1.94 per cent at 4,608.
Marketmen said reports of firming trends in the global markets mainly influenced the trading sentiments, triggering fresh buying by funds.
In the US, the Dow Jones industrial Average rose 165.77 points on Friday while the Nasdaq gained over 50 points.
In Asian markets, Japan's Nikkei shares were up 2.63 per cent, while Hong kong's Hang Seng gained 2.52 per cent.
Major gainers which supported Sensex were Reliance Industries, Reliance Infra, ONGC, Maruti Udyog, State Bank of India, ACC, Bharti Airtel, BHEL, Larsen and Toubro, DLF Ltd, Grasim, HDFC Bank, HDFC LTd, ICICI Bank, Infosys Technologies, Tata Consultancy and Satyam Computers.