Japan's GPIF sticks to even bond-stock mix for next five years / Japan pension whale GPIF's new chief brings bank expertise / Japan's GPIF decides not to raise stock ratio in $1.8tn portfolio / Japan's GPIF decides not to raise stock ratio in $1.75tn portfolio / Japan eyes higher return target of 1.9% for GPIF pension fund / Japan Proposes Higher Return Target for Pension Giant GPIF / Japan pension giant GPIF takes $60bn hit on strong yen, stock slump / Japan's GPIF Has Worst Loss Since 2020 as Yen Gain Hits Assets Abroad / Japan pension giant GPIF delivers record $280bn annual return / Japan firms that engage with investors see 6% higher market cap: GPIF