Elon Musk’s path of destruction through Twitter is no longer confined to that social media company. The value of Tesla, the biggest company that Musk owns, has plummeted 64 percent from its peak value of last year, the largest collapse in share price since the company went public in 2010. It is beginning to worry small investors like me who own stock in Tesla and drive the cars the company produces.
I love my Tesla Model 3. It is...