So has Cisco: how has their stock price been doing since the late 1990s?
It's not like the Internet has stopped being a thing, and people are still buying Cisco gear, and yet people aren't excited about it anymore.
It's possible for AI/ML to be a thing, for Nvidia to sell gear, and for the stock to go down. There are numerous examples throughout history:
* https://en.wikipedia.org/wiki/Technological_Revolutions_and_...
Nobody knows if Nvidia is in the late 1990s or the early 1990s. Based on valuation on P/E they are cheaper than Cisco in late 1990s.