Extending its gaining streak, the BSE benchmark Sensex rose by 77 points in opening trade on Wednesday on sustained buying by funds, taking cues from other Asian markets.

The 30-share index of the Bombay Stock Exchange (BSE) rose by 77.07 points, or 0.38%, to 20.137.39 points in opening trade. The Sensex has gained over 410 points in the previous three sessions.
Similarly, the wide-based National Stock Exchange (NSE) Nifty index moved up by 18.40 points or 0.31% to 6,019.05.
Buying activity was more pronounced in banking, metal and realty sector stocks, market analysts said.
Continued buying by funds emboldened by driven by overnight gains in the US and a mixed trend in other Asian markets influenced the trading sentiment as well, they said.
Meanwhile, Hong Kong's Hang Seng Index was up by 0.17% in early trade on Wednesday, but Japan's Nikkei Index was down by 0.21%.
In the US, the Dow Jones Industrial Index ended 0.48 per cent higher on Tuesday.