KOHOKU KOGYO CO.,LTD. <6524> - Surged sharply to a new all-time high. The stock broke significantly above its consolidation around the 5-day moving average, spiking as high as 5,600 yen, up 580 yen. It decisively broke through its previous all-time high of 5,350 yen set on April 15th, entering uncharted territory. The company holds the world's top market share in optical isolators, a key device for submarine optical cables, and lead terminals for aluminum electrolytic capacitors, drawing attention as a global niche leader. The government has reportedly agreed to cooperate with the European Union (EU) on technology related to submarine cable protection, installation, and maintenance, creating business opportunities for related companies including NEC Corporation <6701>, which holds one of the top three positions globally in the submarine cable field. Among these, the optical isolators manufactured by KOHOKU KOGYO play an essential role in allowing light to pass in one direction (blocking reflected light in the opposite direction), and are gaining attention as indispensable devices for long-distance, high-capacity communications. With the company on a high-growth trajectory and foreign investor shareholding still low, there are expectations for substantial buying from European institutional investors looking to build positions.

ImageONE Co.,Ltd. <2667>, ReYuu Japan Inc. <9425> - Rebounded sharply. After the close of trading on the 24th last week, both companies announced along with Wintest Corp. <6721>, abc Co., Ltd. <8783>, and FD (Kariya City, Aichi Prefecture), which operates industrial solar power generation business, that the five companies had reached a basic agreement to establish a joint venture aimed at developing and operating AI-specialized high-performance data centers in Japan, attracting buying interest. By integrating their respective areas of expertise - infrastructure development, AI solutions, precision equipment technology, and data operations - they aim to provide next-generation high-performance data centers that will serve as AI infrastructure. They plan to establish a new company tentatively named "AI Data Partners" by May, adopting a structure in which project-specific SPCs (special purpose companies) will be established under the joint venture. The plan calls for project financing and fundraising from external investors centered on these SPCs, with investment targets including the acquisition and operation of data center business companies at approximately 10 locations nationwide.

Harmonic Drive Systems Inc. <6324> - Rebounded sharply for the first time in five days. After the close of trading on the 24th last week, the company announced that its consolidated results for the fiscal year ending March 2026, currently being compiled, are expected to exceed previous forecasts, with sales rising from the initial forecast of 57 billion yen to 59.5 billion yen (up 6.9% year-on-year), operating profit from 1.5 billion yen to 2.5 billion yen (compared to 60 million yen in the previous period), and net profit from 1.3 billion yen to 1.58 billion yen (down 54.5% year-on-year), which was well received. Sales for robotics and semiconductor manufacturing equipment in Japan and North America exceeded expectations. The increase in sales also contributed to improved capacity utilization at factories in these regions.

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Source: MINKABU PRESS

*Translated by generative AI. Click here for the original article.