Artificial intelligence giant Anthropic is looking for an approximately $1. 3 trillion valuation in an initial public offering despite new questions about the massive amounts of money flowing into the sector. The company behind the Claude chatbot said in a regulatory filing on Tuesday that it will sell 825 million shares priced between $70 and $78 a share. That would give Anthropic the ability to raise more than $61 billion, if the IPO is priced at the midpoint. The San Francisco company is to...