Elon MuskSlaven Vlasic/Getty ImagesTesla stock is down 7% since it reported third-quarter vehicle deliveries on Wednesday. JPMorgan sees the stock drifting even lower, by as much as 48% to its $130 price target.JPMorgan said Tesla is positioned to not grow full-year vehicle deliveries "for the first time in its history."JPMorgan raised its price target for Tesla stock — but the bank still sees shares of Elon Musk's electric carmaker falling almost 50% in the coming year.