CHPX is trading 1.91% down at $95.41 after the regular session closed at $97.27 on August 13, 2026; no reliable company-specific announcement, earnings release, or filing explains the after-hours decline.
- The regular session gained 1.07% as cooler inflation supported growth assets, while major indexes also advanced.
- Because CHPX is falling despite a stronger market backdrop, the immediate catalyst remains unclear.