Growing unease over frothy artificial intelligence valuations is weighing on shares of SoftBank Group Corp., which traders increasingly view as a proxy for privately-held OpenAI.
https://www.bloomberg.com/news/articles/2025-11-26/softbank-s-40-slide-from-peak-reflects-jitters-over-openai-bet
SoftBank’s 40% Slide From Peak Shows Worry Over Giant OpenAI Bet