China's EV price war just kicked up a notch — and investors are worried. Shares in some of Tesla's biggest Chinese rivals fell sharply on Monday after a raft of price cuts announced by BYD fuelled fears over the country's brutally competitive EV industry.BYD stock closed 8.6% lower in Hong Kong, after hitting record highs last week. Shares in auto conglomerate Geely and pick-up maker Great Wall Motors fell more than 9% and 5% respectively, while EV makers Xpeng, Nio, and Li Auto also posted falls.The decl ...