(FILES) SoftBank group Chairman and CEO Masayoshi Son attends a press conference in Tokyo on February 3, 2025. Shares in Japanese tech investor SoftBank Group plunged as much as 10.7 percent on November 21, 2025, with chip-related stocks also down in Tokyo on renewed AI bubble fears. (Photo by Yuichi YAMAZAKI / AFP) (Photo by YUICHI YAMAZAKI/AFP via Getty Images)