The Bombay Stock Exchange benchmark Sensex jumped by 262.24 points to 20,669.95 in the opening trade today on strong FII inflows, triggered by firming global markets.
The 30-share index which had lost 68.02 points in the previous session, gained 1.28 per cent on the back of surge in metals,realty and oil and gas sector stocks. Besides, all the sectoral indices were trading in green.
Similarly, the broad-based National Stock Exchange's (NSE) Nifty rose by 77.60 points, 1.26 per cent to 6,223.40 points.
Analysts attributed the domestic gains to firming trend in overseas markets, buoyed on expectations that the US Federal Reserve will take measures to bolster the economy following an interest rate cut by the Bank of Japan.
Meanwhile, Hong Kong's Hang Seng Index was up by 1.35 per cent, while Japan's Nikkei rose by 1.29 per cent in early trade. The US Dow Jones Industrial Average ended 1.80 per cent higher in the previous session.