Mumbai: The Bombay Stock Exchange (BSE) benchmark Sensex increased over 133 points in opening trade on Friday on the back of buying by funds and retail investors in stocks of oil and gas, realty and banking companies amid a firming trend on other Asian bourses.

Sensex, which lost 114.63 points in Thursday's trade, rebounded by 133.73 points, or 0.72 percent, to 18,627.91 points in the first few minutes of trade on Friday.

In a similar manner, the wide-based National Stock Exchange Nifty index moved up 42 points, or 0.76 percent, to 5,592.35 points.
Stocks of Anil Dhirubhai Ambani Group (ADAG) companies, which suffered widespread losses in Thursday's trade, were back in demand after a Delhi court dismissed pleas for a direction to the CBI to make group chairman Anil Ambani an accused in the 2G spectrum scam.

Reliance Industries stocks rose 0.96 percent to Rs 961 ahead of the company's Annual General Meeting later on Friday.

Shares of Sun TV Networks staged a partial recovery to trade 11.06 percent higher at Rs 302.20 on emergence of speculative buying. The stock had crashed by 27.90 percent to Rs 272.10 in Thursday's trade on reports of a lawsuit against Dayanidhi Maran, the brother of the company's owner.

In the Asian region, Hong Kong's Hang Seng index was up by 0.14 percent, while Japan's Nikkei gained 0.20 percent in morning trade on Friday. The US Dow Jones Industrial Average ended 0.34 percent lower in Thursday's trade.