SoftBank's Son adds $4 bn to wealth on Arm's 190% rally: Report

SoftBank Founder Masayoshi Son's net worth rose by nearly $4 billion to $15.1 billion on Tuesday, Bloomberg reported. This comes after the stock price of chip designer Arm Holdings, which is majority-owned by SoftBank, jumped 29% to $148.9 on Monday. The stock has risen over 190% since its IPO in September last year where it debuted at $51 per share.