South Korea’s semiconductor inventories dwindled by the most since 2014, underscoring the pace at which demand is outstripping supply as customers rev up their purchases of devices needed to develop artificial intelligence technologies.Chip stockpiles dropped 33.7% from a year earlier in April in the largest decrease since late 2014, according to dataBloomberg Terminal released Friday by the national statistical office. It also marked the fourth month of declines in inventories, which coincided ...