Vicor is trading at $245.00, up 9.42% in after-hours trading as semiconductor stocks rallied.

  • SOXX gained 2.6%, while the S&P 500 rose 1.55% and the Nasdaq Composite gained 2.52%.
  • No verified company-specific announcement or late-breaking earnings release surfaced for September 21, 2026.
  • Recent licensing and fabrication-expansion news continued supporting sentiment, but the immediate move appears primarily sector-driven.