Japan Post Holdings Co Ltd $6178.T is preparing to sell a portion of its shares in Japan Post Bank Co Ltd $7182.T worth approximately 600 billion yen (about $4.02 billion). This strategic move marks a significant step in loosening ties between the two entities. As part of Japan's ongoing corporate governance reforms, the company intends to reduce its ownership stake to below 50%, paving the way for greater autonomy for the bank.