SharkNinja is trading 19.69% down now at $133.09 after closing at $165.73 on September 18, 2026, following an unusually sharp after-hours decline with no clear catalyst identified.
- The broader market finished higher, including the Nasdaq Composite up 1.09%.
- Searches found no clear adverse company-specific announcement, earnings release, guidance cut, downgrade, or regulatory event on September 18.
- Recent company commentary highlighted continued growth and a raised outlook, so delayed news warrants rechecking.