The retail giant reported sales of 6.36 trillion won ($4.5 billion) for the January-to-June period, up 10.1 percent from a year earlier. Operating profit jumped 75.7 percent to 365 billion won with both figures reaching record highs. Sales to overseas visitors more than doubled from a year earlier to 580 billion won in the first half, up 120 percent. Although second-quarter sales fell 10.3 percent to 542.6 billion won, operating profit rose to 33.3 billion won from a 1.5 billion won loss a year earlier. “We will continue our efforts to improve management efficiency and specialization in the second half to create a momentum that will set us apart from competitors.”