Sunstone, a $1.9 billion hotel developer, announced it is buying a majority stake in Blackstone for $1 billion.Sunstone will own 49% of Blackstone, with the other 49% owned by Blackstone’s investors, including former chairman of Blackrock Stephen Schwarzman.Sunstein will also own the minority interest in BlackRock.Sunstone CEO David Pfeiffer, who has led the hotel project […]