(Bloomberg) -- The Bank of Japan sent one of the strongest signals yet that the end is near for its negative interest rate policy — an event for which the market is underprepared.Most Read from BloombergHow Much Wealth You Need to Join the Richest 1% Around the WorldApple to Wind Down Electric Car Effort After Decadelong OdysseySupreme Court Immunity Case Jeopardizes Trump Trial Pre-ElectionThis Is Where New Migrants Are Going When They Reach the USFlawed Valuations Threaten $1.7 Trillion Privat