1. Where Have All the IPOs Gone?;See Xiaohui Gao;Journal of Financial and Quantitative Analysis,2013
2. Masayoshi Son and his SoftBank Vision Fund place massive bets;Reinhardt Krause, Investor's Business Daily,2019
3. What drove SoftBank's Vision Fund up is dragging it down;Mirima Gottfried and Phred Dvorak,2019