US pre-open: Futures in the red following Amazon earnings

Wall Street futures were in the red ahead of the bell on Friday as market participants thumbed through a slew of corporate earnings from the overnight.

As of 1230 BST, Dow Jones futures were down 0.48%, while S&P 500 and Nasdaq-100 futures were 0.56% and 0.71% weaker, respectively.

The Dow closed 239.98 points higher on Friday.

Amazon shares were in the green ahead of the bell on Friday, with the online retail giant reporting first-quarter profits had more than tripled to $8.1bn, while January-to-March sales soared 44% to $108.0bn and earnings per share blew past Wall Street estimates of $9.54 at $15.79 per share.

Going the other way, Twitter posted user growth results and second-quarter revenue guidance that came in shy of expectations on the Street, while Apple was under the cosh in the pre-market trading after the European Union stated the tech giant's App Store had breached EU competition rules.

Chevron earnings came in mixed amid rallying oil prices, while Colgate-Palmolive shares were in the green ahead of the bell after both quarterly sales and profits topped expectations.

Still to come, Exxon Mobil will also report before the open.

On the macro front, March's core PCE price index will be released at 1330 BST, while Chicago's PMI for April will follow at 1345 BST and the University of Michigan's final April consumer sentiment index was slated for release at 1500 BST.