Let me give you a piece of hard earned advice. You should only ever short companies when you have information that other people have not realized yet that will

Let me give you a piece of hard earned advice. You should only ever short companies when you have information that other people have not realized yet that will immediately affect the stock price. How you do that without breaking the law is up to you to figure out. Thinking "AI is a bubble" is not a good enough reason to short a company.