Strategy Inc (MSTR) Stock After Hours Today (Dec. 18, 2025): Late Move, Bitcoin Link, Fresh Catalysts—and What to Watch Before Friday’s Open
Strategy Inc. (NASDAQ: MSTR)—the company formerly known as MicroStrategy and now widely treated by markets as a “Bitcoin proxy”—finished Thursday, December 18, 2025 in the red, then ticked higher in early after-hours trading as investors weighed a familiar mix of