Samsung Electronics is trading 7.67% up now at €4350.00 after semiconductor stocks rallied broadly on September 21, 2026.

  • South Korea’s KOSPI gained 1.65%, while Samsung Electronics rose 4.98% in Seoul as investors responded to stronger chip-export momentum and gains in U.S. semiconductor shares.
  • Higher server-DRAM prices and AI-related memory demand are reinforcing sentiment; Samsung also unveiled next-generation HBM4 memory.
  • The move appears primarily sector-driven rather than tied to a new standalone corporate announcement.