Jeremy Corbyn could be at No 10 in six weeks’ time. This is Questor’s response

Questor Income Portfolio: the prospect of a hard-Left government rightly instils fear in investors. But what is a suitable course of action?

Does a possible Corbyn government represent an existential threat to our portfolio?

In theory, any business based or listed in Britain is at some risk from a hard-Left government. Labour could, for example, increase corporate taxes drastically or make regulation much more onerous. No sane owner of assets of any type should welcome a government led by Jeremy Corbyn.

That said, certain stocks in our portfolio are especially exposed. Questor is thinking of Royal Mail and National Grid. Both were once nationalised – as recently as 2013 in the former case –…