The 30-share index, which had lost 568.53 points in the previous two sessions, rose by 127.37 points, or 0.48 per cent, to 26,619.88, with all sectoral indices, led by realty and metals, trading in positive zone with gains up to 1.37 percent.

Also, the National Stock Exchange index Nifty gained 39.10 points, or 0.49 percent, to 7,972.

Brokers said a firming trend in the Asian region, tracking overnight gains in US markets boosted by speculation that the Fed is unlikely to start raising interest rates soon, influenced the sentiments here.

Prominent gainers that supported the Sensex were Infosys, TCS, Hindalco, HeroMotoCo, Mahindra and Mahindra, RIL, SBI and Sun Pharma.

Among other Asian markets, Hong Kong's Hang Seng was up by 1.01 percent while Japan's Nikkei rose 0.23 percent in early trade on Wednesday.

The US Dow Jones Industrial Average ended 0.59 percent higher in Tuesday's trade.

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