Corning is trading at $157.06, down -4.08%, as optical communications peers also fell in premarket trading.

  • Several optical-sector stocks were also down in premarket trading.
  • Broader risk-off pressure came as oil surged and Treasury yields remained near multi-year highs, renewing inflation concerns.
  • No new company-specific catalyst was identified for October 8. Live at 9:42 a.m. EST; reliable volume data was unavailable.