US pre-open: Futures in the red ahead of July's final day of trading

As of 1230 BST, Dow Jones futures were down 0.22%, while S&P 500 and Nasdaq-100 futures were 0.56% and 0.97% lower, respectively.

The Dow closed 153.60 points higher on Friday despite weaker-than-expected quarterly GDP figures.

While no major corporate earnings were slated for release on Friday, quarterly results were still on focus prior to the open after some weaker-than-expected in the tech space overnight.

Amazon shares were lower in pre-market trading after posting first-quarter revenues that fell short of expectations and issuing weaker full-year guidance, while Pinterest shares slumped after revealing it had lost monthly users in the three months ended 30 June.

Brokerage firm Robinhood was also in focus after the stock closed its maiden session more than 8% lower yesterday.

On the macro front, June's PCE price index will be published 1330 BST, July's Chicago Fed PMI will follow at 1445 BST and this month's University of Michigan consumer sentiment index will be released at 1500 BST.