SPRX is trading at $38.17 (-8.92%) in after-hours trading amid AI-industry leaders’ warnings about rapid development.

  • The September 15 technology selloff coincided with the 10-year Treasury yield above 5%, raising discount-rate pressure on growth companies; oil-driven inflation adds risk.
  • Markets are defensive ahead of the September 16, 2026 Federal Reserve decision; broader markets are weak, while technology’s high growth and AI exposure heighten vulnerability. The Philadelphia Semiconductor Index fell about 5%, and NVIDIA declined 3.4%, reinforcing sector-wide weakness.