Amazon and Google contributed to a nearly 70-point drop in the Nasdaq
Also before the bell heading higher are Barnes & Noble Education Inc and Kroger Co.
A look at the state of global equity markets before the New York bell
Also in play in pre-market before the New York bell is AT&T Inc and Sarepta Therapeutics Inc
Dow Jones Industrial Average futures are 118 points ahead
The trade tensions have also raised concerns over a possible decline in energy demand
A look at some of the biggest risers and fallers in London.
Also in play before the bell are natural-gas company Tellurian and biotech PTC Therapeutics
The tech-heavy Nasdaq bucks the trend to finish at 7,747, a break-even level
The UK premier share index closed 2.58 points, or 0.03% to stand at 7,631
Also in focus in pre-market deals is car gaint Audi AG, which has an emissions story swirling around it
On Friday, US stocks were a sea of red, with most of the losses concentrated in the Dow Industrial Average
The White House is tacking a 25% charge on a list of significant imports from China
The UK's top share index shed over 131 points at 7,633, while mid-cap brother FTSE 250 was also lower
A look at some of the biggest risers and fallers in London on Friday afternoon...
Etsy Inc and Adobe Systems are also in the frame before the New York bell
The ramp up comes as the spat between the two giant economies grows..
The Dow fell around 20 points as a decline in financial stocks overshadowed Walt Disney's gains
The FTSE 100 has clawed back all of this morning's losses and some, while the ECB has unveiled plans to end its quantitative easing programme in December
Some of the main news-driven risers and fallers in London on Thursday afternoon...
Also in the frame before the bell was Mylan NV and Michael Companies Inc
A look at the picture of global markets on Thursday morning
It is the second time Trump has mentioned the issue of high oil prices, having previously mentioned it in April
Some of the main news-driven risers and fallers in London on Wednesday afternoon ...
Also in the frame before the bell were telecoms firms Comcast Corp and Chinese telecoms ZTE Corp