Below is an article from Michael S Rozeff which I find really useful to me.
" Value vs. price
To avoid confusion, we need to distinguish price and value. Price is what it costs to purchase the stock. Value is a subjective number that anyone can assign to the stock. Price is objectively observed in the market by all. There can be as many valuations attached to the stock as there are people willing to make them, but there is only one last trade price and one current quote.
The market of all investors is like a composite person that aggregates everyone’s opinion about a stock. Warren Buffett refers to Mr. Market, and this is a fine way to conceptualize it. Mr. Market is special because he is everyone taken together. And for him and him only, something special happens: Mr. Market’s total capitalization for MSFT of $270b is also Mr. ...
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