Prominent Tesla Short-Seller Issues Major MicroStrategy Warning Mark Spiegel, portfolio manager at Stanphyl Capital Partners, believes that Michael Saylor could face the fate of the Hunt brothers Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Filed under: Bitcoin - @ January 1, 1970 12:00 am