Anthropic eyes $1.4 trillion valuation in blockbuster IPO

US firm Anthropic, the company behind the Claude AI chatbot, has announced it will offer 825 million shares at a price between $70 and $78 apiece during its planned IPO.  This will give the firm a valuation of around 1.4 trillion dollars. The blockbuster IPO will come at a time investors are becoming increasingly concerned about risks associated with the AI boom. But first, chip giant Nvidia continues to face pressure over its CEO's love affair with a suspected Chinese spy.