Tesla has long been an investor favorite for exposure to the electric vehicle transition, but not everyone is convinced.
Berkshire Hathaway-backed BYD , for example, is often touted as a better bet than Tesla.
BYD is so much ahead of Tesla in China ... it's almost ridiculous," Charlie Munger, vice-chairman of Berkshire Hathaway, said last month .
"Long term, Tesla is not a car company and that's the difference.
'Take profit' in Tesla Wall Street veteran David Trainer has a more bearish view, however, as he urged investors to "take profit" in Tesla.