1. Risk control: In the past few years, Softbank has invested heavily in technology companies in China, including Alibaba and Didi Chuxing. Because of the uncertainty of China market and policy risks, Softbank thinks it is necessary to control risks and reduce its dependence on China market.
2. Return on capital: SoftBank's investment projects in China are under the pressure of declining return on capital, and Alibaba's share price has fallen, forcing SoftBank to consider withdrawing part of its investment.