Send us a textStephen Schwarzman and Jonathan Gray of Blackstone have built the best fundraising machine on Wall Street, but now, the billionaire pair are in an unfamiliar position — having to return cash to clients who are asking for their money back.Blackstone’s stock price fell last week after it limited withdrawals from its $125bn real estate investment fund BREIT, after a surge of redemption requests.Patrick's Books:Statistics For The Trading Floor: https://amzn.to/3eerLA0Derivativ...