Share your insights or perspective on the financial matter presented in the input.

When a stock price goes down, does the money just disappears into thin air?
Yes and no. There is no actual money involved - just assumed value. Imagine you own a picture that you painted yourself, and all your friends agree it is worth 1000 $. You feel like you have a 1000 $-picture. Now a guy with some more knowledge visits you, and tells you that it is really only worth about a 100 $. Did you just lose 900 $? If yes, where did the money go?