They made a $20 million investment on Alibaba in 1999, at that point they had 33%. Today they still hold 25%, which is worth about $150B. So really, you just n

They made a $20 million investment on Alibaba in 1999, at that point they had 33%. Today they still hold 25%, which is worth about $150B. So really, you just need one success and 100 other loses doesn't matter that much. They can keep blowing money away until they find the next Alibaba. At this rate they can keep doing this for the lifetime of Masayoshi Son.