Yen intervention alone is unlikely to reverse losses while wide U.S.-Japan rate differentials keep supporting the dollar, said analysts.

The Japanese yen weakened past ¥162 per dollar for the first time since 1986, reigniting speculation about currency intervention after Japan spent $72.5B

The Japanese yen hit a 40-year low against the dollar, sparking intervention fears. Despite past efforts, the yen continues to weaken due to a significant interest rate gap.…