PSI is trading at $128.73, up 2.01%, in pre-market amid a semiconductor-sector rebound attributed to strong AI-server demand and positive sentiment after gains in South Korean chip stocks.
- PSI is the Invesco Semiconductors ETF; no PSI-specific announcement was identified.
- South Korean chip stocks rebounded in pre-market trading on October 21 amid U.S. AI-server strength.
- Trading volume or activity details were unavailable.