Depends on the forward P/E, how much market share the company can take and the position they are in. If the P/E is high, it mostly has to do with what i mentio

Depends on the forward P/E, how much market share the company can take and the position they are in. If the P/E is high, it mostly has to do with what i mentioned and your are late to the "party". But high p/e stocks != Fiat money as the op mentioned.