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.

Japanese tech investor SoftBank will spend 75 billion euros ($87.5 billion) on artificial intelligence infrastructure in France, its founder Masayoshi Son told a French newspaper…

Shares of the Masayoshi Son-led technology group climbed as much as 10% in Tokyo trading Monday, as AI-related shares climbed across the region. SoftBank shares have been gaining…