Saudi Arabia will host the biggest names in finance and technology this coming week in a test of investor appetite for the kingdom’s ambitions of transforming itself into a global hub at a time of widening regional conflict.

International executives will have to contend with a region rocked by geopolitical tensions, with the threat of further military confrontation between Israel and Iran at the highest levels in decades.

And they will land in a country that is increasingly facing up to the fact that even its vast oil wealth has limits.