They weren't looking so hot next to a clutch of international rivals. Tuesday wasn't an ideal day to be a shareholder in many of the electric vehicle (EV) and associated companies headquartered within U.S. borders. Big news from across the Pacific Ocean drained confidence about U.S. manufacturers, which led to a broad sell-off throughout the sector. Truck and SUV maker Rivian Automotive (RIVN -6.95%), for one, saw a dispiriting decline; it closed the day 7% lower in price. Luxury EV specialist Lucid Group ( ...