Tesla (TSLA 3.13%) has been stealing headlines with its latest robotaxi launch in Austin, Texas. Yet shares have fallen by 20% over the past six months. If you're looking to buy into this iconic growth stock at a discount, this could be your best chance in years.Tesla's robotaxi division could lead a $10 trillion global marketOn the surface, Tesla shares look pricey versus the competition. Shares trade at 11.5 times sales. Electric vehicle (EV) stocks Rivian Automotive and Lucid Group, meanwhile, trade at 2 ...