Tesla stock dipped a little today it seems but it's still up 8 percent over the month. I really don't understand those investors and how they price a struggling company so highly.
Two things can happen:
The dream is a bust, and Tesla is worthless.
Or the dream pans out, and almost all other car companies are worth a lot less.
Unless you absolutely want to believe that either self driving is impossible, or Tesla is uniquely unable to achieve it, the valuation is not entirely unwarranted.
Put shortly, Tesla is not a car company, it's a bet on self-driving cars.