U.S. stock-index futures retained their losses on Friday, a day after Wall Street rose for a fifth day in six, after the government reported consumer spending fell 0.1 percent and personal income rose 0.3 percent in April.
Asian stocks finished the week lower and European stocks were also slightly weaker as traders refrain from strong buying ahead of Chinese data and a monetary policy announcement for Europe next week.
The Nasdaq is up 3.2 percent in May, on track for its second best month of the year.
In economic news, policymakers, economists and historians will gather to at the Stanford monetary policy conference on Friday discuss central bank policy. Speakers include current Fed Presidents John Williams, Charles Plosser, Jeffrey Lacker and Esther George.
The May Chicago Purchasing Managers Index (PMI) is due at 9.45 a.m. Eastern, with May consumer sentiment numbers out 10 minutes later.
Disney is among stocks to watch on Friday. Its latest movie "Maleficent", which opens in nearly 4,000 theaters Friday, is driving more than 80 percent of the weekend's ticket sales and is on track to hit $60 million this weekend.
Apple is also in focus after it was upgraded by both Goldman Sachs and Nomura ahead of the group's Worldwide Developers Conference. Nomura believes Apple may release details of its wearables platform, as well as perhaps a prototype of a smartwatch or iWatch. "This may open up a new product category for Apple and so drive possible earnings upside," the brokerage said in a note to clients.