COHU is trading 8.22% down at $52.39 after semiconductor stocks weakened broadly in premarket trading.
- Nasdaq futures were down about 1.7%-1.8%, while the semiconductor ETF SOXX fell 4.05%, indicating sector-wide risk-off pressure rather than a confirmed Cohu-specific catalyst.
- The decline follows COHU’s $57.08 close on September 11, 2026, after several strong sessions.