Emergence of buying by funds, fuelled by firming global markets, on Tuesday enabled the Bombay Stock Exchange benchmark Sensex surge 240 points to regain the 15,000 mark.
The BSE-30 share index, which lost over 235 points on Monday, gained 239.01 points to touch 15,142.04 in the first five minutes of trading.
Similarly, the wide-based National Stock Exchange's Nifty was up by 66.90 points at 4,406.40.
Marketmen said the market rebounded on buying by funds in heavyweight stocks due to firming trend in overseas markets.
Major contributers to the rise in the Sensex were State Bank of India, HDFC Bank, ICICI Bank, Reliance Industries, Reliance Capital, Reliance Communications, Wipro, Infosys Technologies, ACC, Grasim Industries, Mahindra and Mahindra, Maruti Udyog and Tata Motors.