The pressure on Britain’s store owners has been highlighted starkly in new figures showing almost one fifth of all shopping last month was done online.

‘Black Friday’ is only the tip of the iceberg when it comes to changing consumer buying habits

Some of the biggest companies in the world had their best day in years on Friday as Microsoft, Google and Amazon soared following strong third-quarter results.

Amazon has reported a sales increase of 25% for the second quarter of 2017, on the day founder Jeff Bezos briefly became the world's richest man.