The yen is on track for its longest losing streak since March and poised to close at a 34-year low, ramping up the risk that Japanese officials will once again step in to prop up the currency. On Thursday, the yen fell for a sixth-straight session, the worst stretch of losses in three months, to trade just shy of 159 per dollar. The Japanese currency’s weakest intraday point of the year, 160.17 per dollar, is within sight. That level, reached in April for the first time in more than three decades, preceded an intervention from policymakers. The yen weakness comes amid a persistent divergence in yields between Japan ... (full story)