Tesla's biggest Chinese rival is feeling the heat in China's car wars

1. BYD's car sales fell by 5.5% in September, ending a long growth phase. 2. Tesla continues facing intense competition in China's EV market. 3. Annual sales for Tesla dropped for the first time in over a decade. 4. Price cuts by Tesla haven't effectively countered competition from rivals. 5. Industry experts predict a major shakeout among automakers in the coming years.