The Bombay Stock Exchange benchmark Sensex on Wednesday opened higher by 222 points in early trade on funds based buying in heavy-weight stocks, triggered by firming global markets.
The 30-share index, which had gained 346.02 points on Wednesday, moved up by 222.00 points to 16,375.66 in the first five minutes of trade.
Similarly, the wide-based National Stock Exchange's index, Nifty, rose by 68.35 points to 4,948.
Marketmen said a firming trends in the US and Asian markets mainly boosted the trading sentiments in Mumbai.
They said IT stocks led by Infosys Technologies which posted better results on Wednesday, partly supported the trends.
Infosys Technologies stocks quoted Rs 61.15 higher at Rs 1,571.95 while Larsen and Toubro gained Rs 50.25 at Rs 2,857.
Other stocks which attributed rise in the Sensex were Reliance Industries, HDFC, BHEL, SBI, Tata Consultancy and Satyam Computers.