CANADA - 2025/08/07: In this photo illustration, the SoftBank Group (Soft Bank) logo is seen displayed on a smartphone screen. (Photo Illustration by Thomas Fuller/SOPA Images/LightRocket via Getty Images)

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Shares in Japanese tech-focused investment giant SoftBank Group soared 16.5% Thursday, amid a broader tech-fueled rally that saw Japan's Nikkei 225 surge to record highs.

Japanese markets reopened after an extended holiday and investors rushed to catch up with a global artificial intelligence-fueled rally, sending Japanese tech names higher.

While SoftBank is on course to record its best day since 2020, if gains hold, chip-testing equipment maker Advantest rose nearly 7.8%, while semiconductor equipment supplier Tokyo Electron surged 9.2%.…