Strategy Inc (MSTR) Stock After Hours Today (Dec. 15, 2025): The $980M Bitcoin Buy, Dilution Pressure, and What to Watch Before Tuesday’s Open
Strategy Inc (NASDAQ: MSTR) ended Monday’s session sharply lower and stayed mostly flat in early after-hours trading—an important signal heading into Tuesday, December 16, as markets brace for a packed slate of delayed U.S. economic data that could sway interest rates, the dollar, and Bitcoin, which remains the single biggest driver of Strategy’s stock. By the 4:00 p.m. ET close, Strategy shares finished at $162.08, down 8.14%, and traded around $162.00 shortly after the bell. Nasdaq The move came even as the company disclosed another near-$1 billion Bitcoin purchase—its second consecutive week of roughly that size—highlighting the market’s current tension