The euro's crisis is the yen's opening. No Draghi, no bazooka, no Berlin
Measured in dollars, the yen has gone nowhere. Measured in euros, it has gained some 6% in seven weeks β the kind of move that, in the past, ended only when someone rode to the rescue. France's yields have hit 5%, AI credit stress is spreading and Japanese savers are starting to come home. So who, this time, is coming to stop it?