Are US companies valuation on Steroids?

I've seen OpenAI is preparing to go for IPO at a valuation of $1T hehe I still can't fathom how this AI Bubble is exciting Investors.

Anyway rignt now Warren Buffett Indicator is above 225%, still S&P500 is hitting ATH after ATH.Naona tungonje next earnings call ya NVIDIA probably it will give us insights on whether Market correction will be sooner or not Cz Weh!Predicting a Correction while Interest rates are down seems catastrophic only missed earnings can!