• SoftBank Group's stock climbed 4.92% to $38.40 today, extending a significant rally fueled by recent advancements from OpenAI.
  • The surge follows OpenAI's official release of its new GPT-5.6 model family and "ChatGPT Work" agent on July 9, 2026.
  • Investors are reacting positively to these developments, which are expected to boost OpenAI's future IPO valuation and SoftBank's net asset value.