Mastercard (MA) Stock After Hours (Dec. 22, 2025): Shares Hold Near $576 as AI Payments, Debit Fraud Data and 2026 Outlooks Hit the Tape — What to Watch Before Tuesday’s Open
Mastercard closed Monday at $575.70, up 0.61%, after trading between $571 and $579. After-hours trading showed little movement, with shares steady in the mid-$575s. The stock remains below its August high of $601.77. A new partnership with Fiserv on AI-driven agentic commerce drew investor attention.