Kioxia’s share price surged as funds rotated into semiconductor stocks. The Nikkei 225 closed sharply higher, with SoftBank Group, Advantest and Tokyo Electron among the top contributors.
On 7 September 2026, the Nikkei 225 traded firmly against the backdrop of semiconductor stocks’ performance at the end of the previous week and rose sharply from the previous Friday’s close at one point. The Nikkei 225 closed at 66,399.84, up ¥1,378.90 from the previous day. Among its constituents, 105 rose, 120 fell and 0 were unchanged.
Among individual stocks on the TSE Prime Market, Kioxia Holdings posted a substantial gain. SoftBank Group, Advantest, Tokyo Electron, Kioxia Holdings and Ibiden were among the top contributors, lifting the Nikkei 225.
Trading volume on the TSE Prime Market was approximately 2.029 billion shares, while trading value was approximately ¥8.03774 trillion, an increase from the previous day.
Among individual stocks, SoftBank Group led the gainers with a rise of 11.22%, followed by SAMCO at 9.86% and Kioxia Holdings at 9.31%. Sansan, RAKUS and Money Forward were among the decliners. A total of 30 stocks reached new year-to-date highs, while 5 reached new year-to-date lows.