SoftBank
SoftBank Shares Retreat as Masayoshi Son’s $40 Billion OpenAI Gamble Strains Balance Sheet
In a dramatic shift for the world’s most aggressive technology investor, shares of SoftBank Group Corp. (OTC: SFTBY / Tokyo: 9984) fell sharply in late March 2026 following the announcement of a massive, debt-fueled expansion of its stake in OpenAI. The retreat in share price reflects growing investor anxiety over