The electric car maker's shares have fallen sharply this year. But have they declined enough to make the stock a buy?

Real time quote data is not available at this time. *Data is provided by Barchart.com. Data reflects weightings calculated at the beginning of each month. Data is subject to change. **Green ...

Real time quote data is not available at this time. *Data is provided by Barchart.com. Data reflects weightings calculated at the beginning of each month. Data is subject to change. **Green ...