McGuire Seeks Documents from Sotheby’s-Third Point Litigation on Sotheby’s Decision Making March 10, 2015 by Marion Maneker McGuire Marcato on CNBC More from Art Market MonitorCargill Heir Plants Art in DesertComparing London's FairsLost Factory PhotosKeith Haring Mystery Container in BelgiumThree Phases of the Auction Market, 2007-2018Discovered American Impressionist Comes to Market