Shares of Chinese artificial intelligence chipmakers are seeing mixed trading on Monday as investors digest a fresh wave of first-half earnings, highlighting a growing profitability divide among the country’s graphics processing unit (GPU) champions. MetaX Integrated Circuits saw its Shanghai-listed stock rise 1.4 per cent to 684.5 yuan by the midday break after reporting a swing to profitability late on Sunday. Cross-town rival Biren Technology surged 10.7 per cent to HK$43.44 in Hong Kong,...