Svmuu reported that SoftBank Group's stock surged nearly 20% in early Tokyo trading, boosted by news that OpenAI plans to submit an IPO application. On the same day, SB Energy, another SoftBank-invested company that develops energy infrastructure for data centers, announced it would confidentially file its U.S. IPO registration statement. SoftBank has close capital ties with OpenAI, holding approximately 13% of its shares, with cumulative investments of about $64.6 billion through its Vision Fund. Sources revealed that OpenAI plans to file its IPO application within the next few weeks, targeting a listing this fall. (Jinshi)