CNBC Daily Open: SoftBank goes all in on OpenAI as 'Big Short' investor issues caution on AI firms ○ found 2025 › Nov › 12 (Wed) @ 08:05 UTC a story from CNBC ⚠️ › World News CNBC ■■ Daily Open ■■ SoftBank ■■■ OpenAI ■■ Nvidia ■■■ preview sentiment