SoftBank Group Shares Hit Record High; Up 40% Since May 20; Market Cap JPY40
Trln (USD252 bln). Surge Follows Reports OpenAI Preparing IPO Filing In Coming
Days; SB Energy Plans Confidential US IPO Filing. Market Concern Over ANTHROPIC,
Google, XAI Competition Eases; SoftBank Holds Large AI-Driven Private Startup
Portfolio.