GETTY Trump’s pledge for a $1trillion infrastructure rebuild sent UK stocks rocketing to a record high

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About £30billion was added to the value of Britain’s blue chip companies as the FTSE 100 soared 119.46 points to 7,382, some 45 points more than its previous highest close in January. A weakening of the pound against the dollar, due to expectations of a US interest rate rise, helped fuel the charge.

The index contains many multi-national firms which generate most of their revenue in the US currency. The FTSE 250 index of mid-sized companies also hit a record high to demonstrate Britain’s economic resilience following Brexit.

GETTY The FTSE 100 soared 119.46 points and £30billion was added to the value of Britain’s blue chip firms

America’s Dow Jones index surged through the 21,000-point barrier, having broken through 20,000 for the first time only three weeks ago. Analysts said this marked the fastest rise between 1,000-point milestones since the dotcom boom of 1999.

First 100 days of President Trump Mon, June 12, 2017 President Donald Trump is making a significant impact on global politics during his first term. Play slideshow REUTERS 1 of 23 President Donald Trump arrives at Newark International airport

GETTY The weakness of the pound against the dollar helped fuel the rise