CHPX is trading 3.23% down at $80.89 on November 4, 2026, with no company-specific announcement or clearly verified catalyst explaining the decline.

  • Supplied broader-market data showed gains. Semiconductor coverage also described a sector rebound, including a 2.6% rise in the Philadelphia Semiconductor Index.
  • Available evidence does not establish a sector or macro cause for CHPX’s drop.