Rolling coverage of the latest economic and financial news, as Trump says countries doing business with Iran face 25% tariff on US trade

Good morning, and welcome to our rolling coverage of business, the financial markets and the world economy.

Oil has hit its highest level in almost two months this morning, after Donald Trump theatened new tariffs on any country doing business with Iran.

In a post on Truth Social on Monday, the US president declared:

Effective immediately, any Country doing business with the Islamic Republic of Iran will pay a Tariff of 25% on any and all business being done with the United States of America. This Order is final and conclusive. Thank you for your attention to this matter!