Political uncertainty has a habit of unsettling financial markets, and recent jitters around Labour and Andy Burnham are a case in point.

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UK government bond yields have edged higher, prompting questions about whether investors are starting to worry about what comes next for the economy.

Burnham's re‑emergence on the national stage has added another layer of uncertainty at an already fragile moment.

He is widely seen as being on the left of the Labour Party, and he has previously said he does not want a future government to be “in hock to the bond markets”.

That kind of language tends to make investors nervous because they value predictability above all else.

At the same time, it is........

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