Boris Johnson was announced as the new Prime Minister last week. Photo: PA Wire/PA Images/Dominic Lipinski

Boris Johnson was announced as the new Prime Minister last week. Photo: PA Wire/PA Images/Dominic Lipinski

Sterling suffered in the weeks leading up to Boris Johnson's Tory party leadership win, which made him UK Prime Minister, with investors wary of his apparent willingness to allow a no-deal Brexit and for the UK to become the first country in the world to trade solely on World Trade Organisation rules.

Johnson has built a reputation for being somewhat vague on potential policies, while it is also unclear what new Chancellor Sajid Javid will focus on, although being a former banker and City Minister he...