SK Hynix is trading 4.7% down at $163.26 in pre-market after a sharp seven-day advance.

  • It closed at $171.38 on August 17, 2026, after gains of 9.01% on August 12 and 7.29% on August 13.
  • No clear company-specific overnight catalyst was identified; it appears to reflect profit-taking or positioning, not a confirmed negative announcement.
  • Memory-chip sentiment remains broadly positive, with AI demand expected to keep DRAM and NAND supplies tight through 2027 and beyond.