SoftBank shares fall more than 6% on OpenAI revenue concerns

The move shows how tightly SoftBank's equity story is now tied to a single private AI holding, so sentiment toward OpenAI can reprice the stock before any hard financial disclosure. That matters for holders of SoftBank and for anyone tracking how listed proxies transmit private-market AI risk. The open question is whether this is a sentiment-driven reaction or the start of a broader reassessment of AI valuations.