The world’s largest auto market is in trouble, and it’s taking some of its noted electric vehicle (EV) makers down with it. Shares of Chinese EV companies took a sharp hit recently, rattled by growing fears of a deepening price war and rising regulatory concerns. BYD Co Ltd. (BYDDY) plunged more than 9% yesterday to close at $107.33, while NIO Inc. (NIO) , XPeng (XPEV) , and Li Auto (LI) also ended the day in the red, down 3.4%, 3.3%, and 2.3%, respectively. This didn’t seem like just another bad day—it loo ...