Alphabet's 100-year sterling bond has dropped below 90 pence on the pound for the first time, highlighting duration risk in rising rate

Alphabet's historic century bond has shed more than seven per cent of its value in just five months, amid a wider downturn in long-dated debt

Alphabet's £1 billion 100-year bond drops below 90 pence for the first time since its February launch, signaling rising long-duration debt risk.