The Wall Street Journal reports that major investors are increasingly skeptical Anthropic's IPO can proceed at the expected $1.5 trillion valuation after the AI-related market selloff, with three saying the valuation likely needs to come down, possibly to around $1 trillion, and one wondering whether Anthropic might delay. The AI-focused company, aiming to raise up to $100 billion the week before Thanksgiving, had $146.6 billion in cash as of Sept. 30, and its rival OpenAI has raised $11 billion of the $30 billion it targeted.