Traders might swear there's an "AI bubble", but after strong earnings results from AI giant Nvidia and the well-received launch of Alphabet's new Gemini 3 Pro AI model, it looks like the market is only penalizing one corner of the burgeoning tech industry: the friends of ChatGPT creator OpenAI. AI first mover OpenAI has seen its valuation soar to over $500 billion, buoyed by rapid growth and fundraising from tech giants like Microsoft, chipmaker Nvidia, hyperscaler Oracle, and Japanese investment giant So ...