Cadence Design Systems is trading 4.01% up at $294.25, as the broader AI and semiconductor rally supports the move.
- The stock is outperforming its September 18 close of $282.90; no fresh company-specific catalyst was identified for September 21, 2026.
- Lower oil prices, easing Treasury-yield pressure, and stronger technology indexes are supporting the risk-on backdrop.
- AMD and Intel were also sharply higher.