I think investors are ignoring some of these positive developments," Swan told CNBC's "Squawk Box Europe" on Friday. "People seem to have a short memory. Back in August, September [of] last year ...

Last week, King George’s Swan Keeper Fred Turk, with four assistants, dutifully and warily rounded up six squawking swans from the Thames at Cookham, packed them off in pairs to hiss and sputter ...