China has only a toehold in the U.S. electric vehicle market, and this toe may now get squashed.The trading week for electric vehicle (EV) stocks started off explosively as shares of Rivian Automotive (RIVN 10.41%), Lucid Motors (LCID 6.58%), and ChargePoint Holdings (CHPT 11.77%) all moved higher Monday. Thanks for this go to the Biden administration, which is preparing to quadruple tariffs on Chinese electric cars imported into the U.S.As of 10:50 a.m. ET, shares of electric carmakers Rivian and Lucid are ...