Micron Technology is trading 3.1% up now at $199.75 after a broad memory-chip sector rally on August 20, 2026.
- SK Hynix announced a $28.6 billion share buyback and cancellation plan, sending its shares sharply higher and lifting semiconductor peers.
- Expectations of tighter DRAM supply and stronger memory pricing are supporting the move as manufacturers prioritize AI-focused HBM production.
- No clear Micron-specific announcement was identified.