AOI Electronics is trading 5.25% down at ¥2,800, a move that appears consistent with weakness across Japanese technology and semiconductor stocks, based on supplied price context for October 13, 2026.

  • No company-specific announcement explaining the drop was found.
  • October 13 reports cited memory-chip competition concerns after Chinese chipmaker CXMT reported progress on next-generation memory technology.
  • Japan’s Nikkei fell during early trading, while semiconductor shares were under pressure.