Hype Money: SoftBank is a Japanese investment holding company primarily focused on technology ventures. In the past, the financial giant has backed some of the world's most influential companies, ranging from unprofitable "unicorns" to high-growth tech firms that have delivered substantial returns. More recently, the group has shifted its focus toward artificial intelligence, with a particular interest in U.S.-based OpenAI. According to sources cited by the Financial Times, SoftBank is planning to significantly increase its investment in OpenAI. The AI company, which transitioned from an open-source research initiative to a for-profit business, is now seeking new investors beyond Microsoft's influence....