Mattel is trading 8.95% up at $14.25 in after-hours trading, with the move appearing aligned with strong risk-on sentiment.
- It closed at $13.08 on September 21, 2026.
- No verified company-specific announcement, earnings release, or analyst action was found on September 21; the latest investor-relations news is earlier.
- The S&P 500 rose 1.53% and Nasdaq Composite gained 2.37%, supported by lower oil prices and Treasury yields.