PSI is trading at $129.99, up 1.60% in pre-market on October 28, 2026, as semiconductor stocks strengthen; no PSI-specific announcement was identified.

  • Overnight, the Philadelphia Semiconductor Index jumped 3.6%. Record SK hynix results and renewed AI-demand optimism lifted chip-sector sentiment, but reporting does not establish a direct cause for PSI’s move.
  • PSI also gained 4.79% at the October 27 close.