Aehr Test Systems is trading 5.2% down at $79.85 as the stock pulls back from a sharp post-earnings surge earlier this week.
- Shares are retreating from a July 15 spike triggered by strong Q4 2026 results and aggressive 2027 AI-driven revenue guidance.
- The decline follows a sector-wide risk-off move as investors reassess rich valuations across semiconductor and AI-related names.