Banks have reacted in particular, partly because there a bit of a proxy for ponantical rest in the economy. The possibility of a lupen when has really focused mines in the last few days to we have seen bonds react as a result. And it's a similar concern over in a broader opean unity, european coordination, what it will mean for the eurozen mifte penwins. To talk more about how this might happen, i'm joined by the f ts markets editor, katy martin.