SoftBank reportedly wants to purchase $1.5 billion in OpenAI stock.It’s part of an effort by SoftBank Group CEO Masayoshi Son to strengthen the company’s stake in OpenAI and position it as an artificial intelligence (AI) leader, the Financial Times (FT) reported Wednesday (Nov. 27).SoftBank will purchase the shares via a tender offer, allowing current and former OpenAI employees who have held their stock for more than two years to sell, sources familiar with the situation told the FT.The tender offer prices ...