The BBC has found a pattern of spikes in trades ahead of public announcements by the US president.

New European border rules have caused delays at airports across the continent, affecting flights.

Businesses can apply online through a portal for refunds expected to total $160bn.

Energy markets have seen wild swings since the US and Israel attacked Iran on 28 February.

The conflict in the Middle East has increased pressure on the cost of petrol, household energy bills and even food.