Hyped Korean techbros went from “Let’s gooo!” to “Aww nooooooo!” faster than a StarCraft 2 match
But seriously, betting on stocks is not an "investment". This is like the first thing you gotta learn in order to not get gently-caressed over by the market. My rule of thumb: if it's not insured somehow, its just speculation (which can be profitable, but never an "investment").