Instability in global bond markets is rising. What are the knock-on effects?

From mortgages to inflation, concerns about the public finances of major economies have wide-reaching consequences

When Donald Trump was asked recently about the threat of rising interest rates on US government debt, he told baffled reporters: The ultimate intervention is our military. And if we have to use that, we will."

Perhaps not surprisingly, Trump's bellicose words did not soothe fractious bond markets, and his resumption of the bombing campaign against Iran only made matters worse.