Their last AI marketing flop from January had a larger drop of 9%: https://www.reuters.com/technology/google-ai-chatbot-bard-of...

It's weird that they had two such marketing flops in a single year, and both for AI products, and even weirder that such flops happen to the king of the online advertisement market.

Well, I think it's relevant in that you would expect shares to rise after a major product announcement. The fact that they sink at all is a bad sign.

Yeah, how can you even be certain this is why?