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.

2026-05-25

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.