Profit trajectories between automotive assemblers and electric vehicle (EV) battery producers in China are set to diverge further due to lacklustre car sales and buoyant demand for energy-storage systems. Leading players, including China’s EV battery king Contemporary Amperex Technology Ltd (CATL), would continue to attract buying interest in their shares, spurred by improved profitability, according to analysts. They added that flat vehicle prices, coupled with a dip in new car sales, had...