[gourou]

Saudi Arabia owns half of Softbank's Vision Fund and they already put $3.5 billion in Uber (5.6%), why would they want to double down?

https://www.nytimes.com/2016/06/02/technology/uber-investmen...

http://money.cnn.com/2017/09/20/technology/softbank-vision-f...

[loceng]

It's likely part of the exit strategy. They are confident they can get a maybe even a small return on billions of dollars, and Uber likely is hoping it looks like such a big 'positive signal' is a sign that Uber is a solid company to invest in..