SoftBank Group is trading at ¥4,682, up 4.65%, with Jefferies’ reported upgrade the clearest explanation found for the session’s move. - On October 28, Jefferies upgraded SoftBank Group from Underperform to Hold and raised its price target to ¥7,270 from ¥3,140. - SoftBank also drew recent AI-related attention around Anthropic’s planned IPO, but reporting does not establish it as the direct reason for this session’s move. - No independently verified October 29 announcement was identified.