SoftBank CEO Masayoshi Son claims AI is 50x bigger than the dotcom boom, backing it with a $64.6B OpenAI stake as shares surge 46% in five days.

Fueled by its significant stake in AI powerhouse OpenAI, SoftBank Group has surged past Toyota to become Japan's most valuable company. The tech investor's market capitalization…

The AI revolution will be 50 times bigger than the Dotcom revolution in the 2000s, SoftBank CEO Masayoshi Son told CNBC Monday.