it is certainly one valuation but there are other measures too. To give an example of one problem with that measure it would imply that when the stock market is

it is certainly one valuation but there are other measures too. To give an example of one problem with that measure it would imply that when the stock market is volatile that the company value is too when there may be no news or changes in the company prospects so for me it is hard to regard the market cap as a measure of true value (although it does give a quick estimate).