A tender offer announcement by Hikari Tsushin and others was reported, sending the stock in focus to its daily price limit. A premium of approximately 45% was reported to have been set, drawing attention to developments ahead.
On 15 September 2026, the Nikkei Stock Average fell in the morning as semiconductor stocks came under selling pressure, then briefly moved into positive territory as related stocks advanced. After the market opened, however, the selling momentum weakened, and following the morning session, the index ended the afternoon slightly lower. The Nikkei Stock Average ended trading down ¥8.89 from the previous day. Among its component stocks, 67 rose, 157 fell and 1 was unchanged.
Trading volume on the TSE Prime Market was 1.885 billion shares, while trading value was ¥7.438482 trillion, both up from the previous day. Information and communications, pharmaceuticals and services stocks rose, while oil and coal products, banking, securities, insurance and wholesale stocks declined. I-ne posted the largest gain among individual stocks, rising 16.41% to ¥1,681, followed by Leopalace21, up 14.47% at ¥791, and Tomen Devices, up 9.97% at ¥36,950.
The stocks making the largest negative contributions to the Nikkei Stock Average included Advantest, Tokyo Electron, Fujikura, Toyota Tsusho and Fast Retailing. The largest positive contributors were SoftBank Group, Recruit Holdings, Kioxia Holdings, Murata Manufacturing and Taiyo Yuden. In addition to the performance of the stocks introduced, movements in stocks in focus related to tender offer announcements were cited as a key market feature.