Oct 28, 2026, 06:41 UTC
Japanese stocks in the top 50 gainers rose by 7.7% to 17.6% on October 28, led by AI Storm, Sakura Internet, and MARUWA.
Source:Oct 21, 2026, 22:15 UTC
The listed Japanese stocks recorded the reported closing prices and daily changes on October 21.
Oct 21, 2026, 01:32 UTC
Tokyo Ohka Kogyo shares rebounded sharply as buying interest prevailed following the joint-venture announcement.
Source:Oct 20, 2026, 06:31 UTC
Tokyo Ohka Kogyo and AIMECHATEC announced plans to establish a joint venture.
Oct 14, 2026, 02:54 UTC
TOK is expanding its production footprint in Koriyama, Fukushima Prefecture, to increase photoresist capacity amid rising AI chip demand.
Source:Oct 8, 2026, 04:13 UTC
Tokyo Ohka Kogyo completed a new resist manufacturing building at its Koriyama plant in Fukushima Prefecture, bringing completion forward by six months.
Sep 30, 2026, 22:15 UTC
UBS Securities upgraded Tokyo Ohka Kogyo to a buy recommendation.
Source:Sep 15, 2026, 08:45 UTC
Tokyo Ohka Kogyo announced the completion of a high-purity chemical plant for semiconductor manufacturing in Pyeongtaek, South Korea, with operations expected to start in the first half of 2027 and total investment of 12 billion yen.
Source:Sep 8, 2026, 13:45 UTC
NLM Photonics announced new investments from Pangaea Ventures and Diamond Edge Ventures, with existing investors increasing their stakes, to accelerate commercialization of its organic photonic technology.
Source: