T-Mobile Stock (TMUS) After Hours Today (Dec. 23, 2025): Key News, Analyst Outlook, and What to Watch Before the Dec. 24 Open
T-Mobile closed Tuesday at $197.67, up 0.98%, before slipping 0.14% to $197.40 in after-hours trading on light volume. The session saw no major company-specific news, but a holiday switching incentive and a resolved AT&T ad dispute drew attention. Broader markets also rose, with the S&P 500 up 0.46%.