Business transfer by. Among the businesses of Yahoo Japan Corporation (the first corporation), the business management business of a financial group company was transferred to Kioicho Financial Split Preparation Co., Ltd. (the trade name was changed to Z Financial Co., Ltd. on the same day) by a simple split. Yahoo Japan Corporation (the first corporation) will be engaged only in the group business management business excluding financial services, and changed its trade name to Z Holdings Co., Ltd. on the same date .