AMKR is trading 4.2% down at $83.08 following an extended semiconductor-sector selloff tied to concerns about AI memory expansion and valuation risk.
- The decline follows a 7.3% slide on June 23, 2026, as investors reassess AI-related chip plays and broader sector valuations.
- Sentiment is being pressured by SK Hynix’s decision to slow high-bandwidth memory expansion, which is weighing on advanced packaging providers like Amkor.