South Korea’s export growth accelerated last month, reflecting resilience in global demand as the artificial intelligence and technology sectors drive record gains in semiconductor sales.Average daily shipments increased 12.4% from a year earlier, according to data released Monday by the customs office, compared with 9% growth in May. Headline exports, which don’t reflect differences in the number of working days in the reporting month, rose 5.1%, while overall imports fell 7.5%. That resulted i...