There are now two ways to think about the only publicly traded company in Elon Musk's vast portfolio. On one hand, there's Tesla, the pioneer of modern electric vehicles, which won over millions of loyal fans and built a charging network so good that the rest of the car industry wants in on it. On the other hand, there's $TSLA—the stock price, which more than ever feels powered by hopes, dreams, social media posts and bets on Musk's own track record.
