To reply to some of the comments: * Yes, something is worth what someone is willing to pay. But we know Mr market is temperamental and irrational, so really wh

To reply to some of the comments: * Yes, something is worth what someone is willing to pay. But we know Mr market is temperamental and irrational, so really what I'm saying is, in the long term / low pass filtered version, do we really think Tesla is worth more than the next 10. * Re anecdotes in which market cap is correct - this doesn't prove anything. E.g. a random number would be correct some of the time also.