As Keir Starmer’s leadership totters, investors warn a Labour leadership contest ignoring public finances and market realpolitik could be disastrousA rise in borrowing costs and warnings to avoid a “Liz Truss moment”.

As Keir Starmer’s leadership totters, investors warn a Labour leadership contest ignoring public finances and market realpolitik could be disastrousA rise in borrowing costs and warnings to avoid a “Liz Truss moment”.