China’s exports tumbled 12.4% in June from a year earlier as demand weakened after central banks raised interest rates to curb inflation, even as Chinese leaders struggled to keep a post-Covid recovery from faltering. Customs data released on Thursday showed imports slid 6.8% to 214.7 billion dollars (£165.1 billion). Advertisement Exports edged up slightly from the month before, totalling 285.3 billion dollars (£219.5 billion). The trade surplus was 70.2 billion dollars (£54 billion), rising from 65.8 billion dollars (£50.6 billion) in May. Driverless lorries move shipping containers at a port in Tianjin, China (Mark Schiefelbein/AP) Advertisement Trade weakness adds to…