U.S. stock-index futures pointed to higher open on Wall Street on Friday, with European shares boosted after Scotland voted against independence from the United Kingdom.
Fifty-five percent of Scots voted against quitting the union. The total turnout for the referendum was very high, at 85 percent.
Markets worldwide staged a relief rally in the wake of the vote results.
"The biggest market volatility events of 2014 are almost over," said Evan Lucas, a market strategist at brokerage IG Markets.
The stock market launch of Chinese e-commerce giant Alibaba will take place later on Friday. The company will be listed in the New York Stock Exchange under the symbol BABA. The initial price was set for $68 billion, which would make it the world's largest IPO.
Apple enthusiasts around the world proved their loyalty during the global launch of the iPhone 6 on Friday. In Singapore, one of the 10 countries in the first wave of the launch, queues began forming on Thursday afternoon and launch parties kicked off at the crack of dawn.
Plus, Oracle will remain in the spotlight, after Larry Ellison,its co-founder and longtime CEO, will be stepping down, effective immediately. Ellison will be replaced by Mark Hurd and Safra Catz, who will both be named CEO of the company—not co-CEOs.
No major corporate earnings are due on Friday. It is a quadruple witching Friday, however.
Read MoreWhat is quadruple witching.
In terms of economic data, there will be the August leading indicator index from the Conference Board, expected to show a rise of 0.4 percent after gaining 0.9 percent in July.
—By CNBC's Katy Barnato