Concerns about trade tensions between China and the US drove Hong Kong stocks lower for a second day, as the world’s two largest economies stopped short of finalising a deal that would extend a 90-day tariff pause.The Hang Seng Index fell 0.5 per cent to 25,393.80 as of 10.01am local time, while the Hang Seng Tech Index slumped 1.8 per cent. On the mainland, the CSI 300 Index and the Shanghai Composite Index both rose 0.5 per cent.Electric-vehicle makers led the declines, as Li Auto tumbled...