(Bloomberg) -- The yen’s failure to breach 155 to the dollar after repeated cases of suspected intervention by Japan is raising questions over the durability of the currency’s recent advance.Most Read from BloombergUS Has Opened a Passage Through Hormuz, Central Command SaysDOJ Plans Intervention in Trump Supreme Court Carroll AppealUS Says Offensive Phase of Iran War Over as Ship Hit in StraitSony to Pay Almost $4 Billion for Bieber, Neil Young CatalogChina Asks Banks to Pause New Loans to US-S