Chip giant Nvidia and Microsoft announced Tuesday investments totaling $15 billion in AI startup Anthropic, creator of the Claude chatbot, as the AI investment frenzy continues amid emerging fears of a bubble on Wall Street.Chip giant Nvidia and Microsoft announced Tuesday investments totaling $15 billion in AI startup Anthropic, creator of the Claude chatbot, as the AI investment frenzy continues amid emerging fears of a bubble on Wall Street.Business[#item_full_content]