Photographer: Ronda Churchill/Bloomberg Bitcoin’s plunge below $65,000 is intensifying the crisis rocking the digital-asset complex — and few companies are more exposed than Michael Saylor’s Strategy Inc. In an earnings announcement Thursday, the Bitcoin-hoarding company confirmed a net loss of$12.4 billion for the fourth quarter, driven by the mark-to-market decline in its vast holdings. That pain deepened this week, as fresh market turmoil pushed the firm’s Bitcoin stash below its cumulative cost basi ...