Tesla (TSLA) reported yet another earnings miss Wednesday after the closing bell, though Andrew Graham believes its A.I. and robotics prospects overshadowed the earnings. However, he sees "big risk" for Tesla's autonomous driving future as it takes a "camera only" approach versus more expensive tech like LiDAR. Morningstar's Seth Goldstein explains why his firm upped their Tesla price target — though it still falls well below the current stock price. The big risk he sees: Tesla's business being largely limited to the U.S.