PSI is trading 1.68% lower at $146.10, with no clear company-specific announcement or major semiconductor catalyst explaining the decline.
- PSI opened weaker on September 23, 2026.
- The Invesco semiconductor ETF tracks a basket of approximately 30 U.S. semiconductor companies.
- It gained 2.57% to $148.60 on September 22. Broader indexes are modestly lower, but the evidence does not establish a direct catalyst.