Analysts are calling it de-euro-isation and it's happening, even if only for now as a temporary defence mechanism.

BBC: Euro talks: The last signal before the storm?

Instead of trying to grapple with every single one of the risks around them, investors should emulate the lowly cockroach, which has survived for millions of years thanks to a defence mechanism that is rudimentary but good at dealing with unanticipated threats.

ECONOMIST: Financial markets: Copy the lowly cockroach | The