China’s top-performing stock of 2024 is expected to see additional tailwinds into next year from the nation’s drive for greater self-sufficiency in artificial intelligence.Shares of AI chip designer Cambricon Technologies Corp. have climbed 383% this year, topping the benchmark CSI 300 Index and driving its market value to $37 billion. The Shanghai-listed stock has even outpaced global AI chip leaders Nvidia Corp. and Taiwan Semiconductor Manufacturing Co....