SoftBank's Masayoshi Son commits $87 billion to French AI data centers and chairs the $500 billion Stargate project, sending shares up nearly 80% in 2026.

Masayoshi Son has overtaken Indian mogul Mukesh Ambani as the richest person in Asia, as surging SoftBank shares led him to amass a fortune of $97 billion.

To understand why Masayoshi Son is so confident in AI's future, it's worth taking a closer look at where SoftBank is actually putting its money – and what those investments reveal…