Kioxia shares closed up 7.5% on Friday, May 29, 2026.
The stock led a broader rally among Japanese tech and electronics firms. Japan’s retail sales grew at the fastest annual rate in 12 months. Domestic industrial production also recorded an unexpected increase.
Investor enthusiasm for artificial intelligence supported Kioxia’s performance throughout May. The Nikkei index finished the month with substantial gains driven by AI-sector optimism.