Japan Stock of the Day | Kabutaro & Friends

On August 27, 2026, the most talked-about Japanese stock online was Daiichi Kigenso Kagaku Kogyo <4082>.
Background: The August 25 announcement that it had established a domestic production technology for hafnium, a critical rare metal, continued to attract buying, and the stock closed at 3,000 yen, up 409 yen (+15.79%). Following its limit-up move on August 26, it was the top gainer on the Tokyo Stock Exchange Prime Market for a second straight session and moved above the 3,000 yen mark. The company says it will begin supplying hafnium samples within 2026 and aims for domestic mass production in 2028, drawing interest on the prospect of growing demand in semiconductors for AI and data centers and in aerospace, as well as from an economic security standpoint. Production capacity, investment amount and the contribution to earnings have not been disclosed. For the fiscal year ended March 2026 it posted revenue of 35.7 billion yen and operating profit of 3.4 billion yen, with operating profit up 52.4% year on year. The gain came even as the Nikkei Stock Average fell 130.18 points.