Source: Sharecast
As of 1230 BST, Dow Jones futures were up 0.13%, while S&P 500 and Nasdaq-100 futures had the indices opening 0.43% and 0.99% lower, respectively.
The Dow closed 874.86 points higher on Thursday, more than reversing losses recorded in the previous session.
Friday's primary focus will be May's non-farm payrolls report at 1330 BST, with economists expecting to see just 85,000 jobs being added last month - a drop from 115,000 in April. Consensus estimates also have the unemployment rate holding steady at 4.3%.
Elsewhere, Donald Trump said he would be "honoured" to meet Ayatollah Mojtaba Khamenei, Iran's new Supreme Leader, if it was to "make a deal", with Washington and Tehran's fragile ceasefire now stretching into its ninth week. "I'd be okay with that," said Trump, who added that he expects Khamenei to be a "professional". "In some circles, he has a very good reputation, actually," he said.
In the corporate space, shares in Lululemon Athletica traded lower in pre-market action after the athleisure business lowered its full-year earnings and revenue guidance, citing headwinds, and its outlook for the current quarter came in below Wall Street expectations.
Reporting by Iain Gilbert at Sharecast.com