https://phys.org/news/2018-11-softbank-eight-fold-first-half-net-profit.html

The rise was largely driven by gains of 649 billion yen from the SoftBank Vision Fund, which compared to 194 billion yen in the previous period.

Under tycoon CEO Masayoshi Son, SoftBank, which started as a software firm, has increasingly been seen as an investment firm, ploughing funds into a broad range of companies and projects outside its core business.