Elon Musk thinks Tesla is just beginning to get big

Tesla shares have been on a rampage lately. Over the past six weeks, Tesla's stock price has skyrocketed 25%, with shares currently trading in the $304 range. With a market cap of nearly $50 billion, Tesla is currently more valuable than Ford -- which has a market cap of $46 billion -- and is close to surpassing GM which currently boasts a market cap of $51 billion. Predictably, Tesla's valuation has elicited ridicule from critics who can't help but point out that Tesla in 2016 deliver