Tesla (TSLA 6.14%) stock has been on an upward tear in recent weeks. Its share price has doubled since the company reported earnings on Oct. 23, and it has advanced more than 70% since the U.S. presidential election on Nov. 5. Factors contributing to that upside include encouraging updates during the recent earnings call and CEO Elon Musk's close relationship with President-elect Donald Trump.Importantly, Tesla's stock recently did something it hasn't done in more than three years: It reached a new all-time ...