Lately, there has been a lot of talk of an AI bubble. On Nov 19, 2025, Nvidia CEO Jensen Huang rejected the idea of an AI bubble and told investors on the earnings call "From our vintage point, we see something very different". Nvidia reported a blowout quarter and gave an upbeat guidance of "half a trillion" forecast and China orders. This uplifted investors sentiment on AI trade after hour. However, Nvidia stock turned negative the day after, reversing post-earnings rally. Is there something untold?