Boosted by OpenAI and SB Energy IPO plans, SoftBank's stock price surged nearly 20% According to a report by Golden Finance, on May 21st, SoftBank Group's stock price surged nearly 20% in early Tokyo trading, boosted by OpenAI's plan to submit an IPO application. On the same day, SB Energy, the second company invested by SoftBank that develops energy infrastructure for data centers, announced that it will secretly submit a US IPO registration statement. SoftBank has a close relationship with OpenAI Capital, holding approximately 13% of the shares and investing approximately $64.6 billion through the Vision Fund. Insiders have revealed that OpenAI plans to submit an IPO application in the coming weeks, with the goal of going public this fall. (Golden Ten)