Reasons for rising yields differ somewhat from those in America, but are no less problematic
Related stories
Range Rover launches first fully electric model
Tim Cook to be paid $47mn as Apple’s executive chair
Will self-flying planes transform the skies?
Soft launches and late sittings - six ways to get cheaper meals out
Dow drops below a key chart level, warning of more trouble ahead
China derails consensus on communiqué after US-hosted G20