Japanese tech investor SoftBank said Wednesday that its stake in OpenAI is now around 11% after completing the second stage of a $41-billion investment in the maker of ChatGPT. https://www.japantimes.co.jp/business/2025/12/31/companies/softbank-openai-stake-lift/?utm_medium=Social&utm_source=mastodon #business #companies #softbank #openai #tech #ai