PSI is trading +1.64% at $147.25 as semiconductor shares extend Monday’s AI-driven rally.
- Broad chip strength followed AMD’s first $1 trillion market-cap milestone and a 4.3% surge in the PHLX Semiconductor Index.
- Softer Treasury yields and renewed AI-infrastructure optimism are supporting technology ETFs, while broader markets remain mixed.
- Trading is active during the September 22, 2026 session; volume data was unavailable.