Iran-backed Houthis launch biggest attack on the kingdom in years this week, taking their conflict to a new level

Greek government launched tax scheme this summer specifically targeted at hedge fund and private equity executives

Brent crude advances as escalation in US-Iran war feeds fears of renewed global supply crunch

Covenant to open factories in US, Germany and Israel as it looks to disrupt market for long-range weapons

Latest departure highlights mounting unease inside Silicon Valley companies racing to build ever more powerful systems

Comments follow July’s rare joint intervention with Tokyo to support Japanese currency

He must stay clear on the objectives of policy and sensible on how the central bank should conduct itself

Decision to exclude Aisi has prompted fears inside British government of protectionist shift among tech groups

Athens has persuaded billionaire Chris Rokos to move his tax residency and has held talks with other funds it hopes will be lured by tax breaks

Authorities have quietly relaxed controls on foreign currency to encourage traders to repatriate much-needed funds

The president says a missile shield stretching into space can be built for $185bn. But formidable engineering, financial and political obstacles stand in the way