Strategy Inc (MSTR) Stock After Hours Dec. 19, 2025: MSCI Index Risk, Bitcoin Rebound, and What to Watch Before the Next Market Open
Strategy Inc (NASDAQ: MSTR) — the company formerly known as MicroStrategy — finished Friday, December 19, 2025 with a strong rebound in the regular session, then held most of those gains in after-hours trading as investors weighed a Bitcoin bounce