a japanese insurer with 65 billion of assets plans to offload all its currencyhedged foreign debt holdings foreshadowing what may become a renewed wave of selling by some of the biggest investors in global bond markets fukoku mutual life insurance co is among the first of japan’s life insurers to lay out investment strategies for the fiscal year with combined assets of 29 trillion the industry has long been a major force in overseas markets but has pulled back in the past year as hedging costs erase the yield premium on foreign debt and expectations rise for an end to the bank of japan’s ultraloose monetary policy